How the Heart Changes with Exercise

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How the Heart Changes with Exercise
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In this video, Jonathan from the Institute of Human Anatomy discusses the anatomy of the heart and the changes that occur during exercise as well as long term adaptations of the heart and cardiovascular system.
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Video Timeline
00:00 - 00:59 Intro
01:00 - 02:40 You Have an Artery the Size of a Garden Hose!
02:41 - 05:09 Delivering Blood to Your Muscles
05:10 - 07:14 Fueling Your Heart and Body! AG1!
07:15 - 09:06 How Much Blood Do Exercising Muscles Need!?
09:07 - 11:09 Cardiac Output - How Much Blood the Heart Can Pump During Exercise
11:10 - 12:35 "Stealing" Blood From Organs and Other Tissues - Vasoconstriction
12:36 - 14:32 Returning More Blood to the Heart - Heart Reflexes and Laws
14:33 - 17:26 How Much Can the Heart Adapt With Consistent Exercise?
17:27 - 18:45 Growing Some More Tiny Blood Vessels!
Audio Credit: www.bensounds.com
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#Heart #Exercise #Cardio

[@MikeJw-je4xk]

At the age of 49, i started running and could only run two-tenths of a mile before losing my breath. In only one month, i was easily running three miles. The body's ability to improve is amazing.

[@maggie0285]

Same. Most people can't run one lap around a track. I remember for me it was a big deal running 2 miles. Then eventually it went clear up to marathons. 5k was always my favorite distance

[@bkohler89]

It's a beautiful thing man

[@serenityb5816]

I was 52. I was taking an HIIT class where we did squats ALL OF THE TIME! I started ‘running for dummies’ and was amazed that I could run more than a block without thinking I was going to die. I was running 4 miles within 6 weeks. Not fast, but continuous.

[@Mr.Enigmatik]

How much weight have you lost?

[@Mia-ge7xf]

This is so so inspiring! i started running recently too and before I couldn’t run more than 10 minutes now I can go on an hour runs

[@atrain84]

I love this channel. At 48 I decided to get my crap together, cut way back on alcohol, eat right and exercise again. I’ve lost 32 lbs in 5 months. No pills, no crazy diet. Just taking care of my body. It can be done! 13 more pounds to go! Edit: 8 months in and now down 47. Setting whole new goals.

[@adam.6373]

Keep up that grind bro 👊🏽

[@atrain84]

@@adam.6373 word

[@luckyluciano500]

That’s awesome to hear keep it going

[@HectorGarcia-nb2ld]

who cares

[@yazdaansheri9388]

what exercise do u do pal?

[@slimj82]

Can we just take a minute to be thankful for this vid and the person/family that donated the body for our learning benefit👍👍

[@stroop3666]

Thank you!

[@rajatyadav5540]

organs in these videos r real, i had my doubts It's really bad that family gives body they r making fun of dead

[@Martss_.]

@@rajatyadav5540 that's just your opinion. Don't get further.

[@jarnak7948]

@@rajatyadav5540 the family doesn't anything to do with it. You, and only you, have to precise while you're that you want your body to be given to science. And without a dead body, how the fuck a doctor is supposed to learn to pratice surgery?

[@Rhythmicons]

Are you sure it was donated willingly?

[@pinkcatgxrl]

I have extreme cardiophobia centering around the fear of heart attack/heart failure, and am therefore terrified of raising my heartrate. The feeling of my heart pumping throws me into panic attacks. This video and the comments have helped me feel more comfortable going to the gym. Understanding how the heart works brings me comfort. Thank you

[@mickyJfan]

The most recommended forms of cardio to build aerobic endurance and heart health is called zone 2 training. Around 60-70% of your max HR. One way to find this number is 180 - your age = Max HR you should aim for while training. Another way to determine this level of intensity if you don’t have a heart rate watch or strap is running/cardio at a “conversational pace” meaning you could hold a conversation with someone on the phone and they wouldn’t notice that you’re out of breath. Be sure to only breathe through your nose. For beginners, this can be achieved by just a brisk walk or an extremely slow jog. Even if 100% of your training is done at this “easy” intensity you will make massive improvements in heart health and physical performance while keeping risk of injury low. Only key is to stay consistent, trust the process. Follow a plan and slowly increase the time you spend training week over week. Hope this was helpful.

[@pinkcatgxrl]

@@mickyJfan Thank you so much! It was helpful indeed. Would you say continuing at this brisk pace for a week, then increasing the intensity at 2 weeks is optimal? Or should I continue to increase the intensity only when my max HR is not being met at that intensity anymore? Hope this makes sense!

[@H0A0B123]

@@pinkcatgxrl I think you can try to train at a constant heart rate. For example if your goal is 140bpm, maybe at first that would be a 5km/h walk at 10% incline. if later you found that you can do this at 135bpm, you increase the speed or incline to 6km/h for example. if you can jog and maintain 140bpm you can start doing that. Basically your goal is heart rate not speed. but you'll improve your speed at the same heart rate

[@pinkcatgxrl]

@@H0A0B123 Thank you for that! I went to the gym today and discovered that as of now, 6% incline at 2.5mph will keep my HR steady at my max of 160, an improvement from last week when it was a 4% incline at 2.5mph. I appreciate you confirming my question. Thank you so much for responding. Knowing more about how to train helps tremendously. And the more I do this, the more I become less afraid of the sensation.

[@H0A0B123]

@@pinkcatgxrl This makes me happy

[@jmfoster]

I would love to see the differences between two cadavers where one was very physically active and the other wasn't. I've recently started building muscle through weight training and it's fascinating to me to see the muscles I've had my entire life growing and changing shape.

[@koljaleffek7290]

in school they disected an older man with a heart of 724g and a 4cm layer of fat around the kidneys. it is fascinating and really weird to see how much abuse a body can take.

[@1lovIt]

There is a study where they compared the hearts of people who did only weight training (no cardio) and people who didn’t do any training. There wasn’t much noticeable difference in average. To have a stronger heart you can’t avoid cardio training.

[@SambitTarafdar]

How does it matter ? Both will be dead

[@jackiebelcher8288]

Yes!!!

[@arellanojoshua1451]

Te falta Este Mineral?: kzbin.info/www/bejne/hqPMiYOIaq-mntE

[@ombembde3826]

4 valves of my heart and also yours🫀 1) Tricuspid valve 2) Bicuspid/Mitral valve 3) Pulmonary/SL valve 4) Aortic/SL valve Love your videos 😍😍

[@westonwheeler2311]

I love that you put them in the order the blood flows through them as well

[@AbhishekSingh-xq7yc]

you can simply say semilunar valve too

[@jawwad4020]

@@AbhishekSingh-xq7yc yeah, the aortic and pulmonary valves are also called semilunar valves because of their shape, and speaking of shapes, the mitral valve is also known as bicuspid valve as it has two flaps.

[@kulsumsheikh814]

@@jawwad4020 yess

[@NnNn-mr8zo]

Mitral valve,tricuspidal and two semilunar valve😉

[@-6yb-]

I ran consitently for now 7 month, going from 6 km a week to 47 now and my HR at 4:45/km is the same as 5:30/km when I started. The heart can adapt if you train it well and you're consistent with your training. Keep it up everyone

[@edmo1237]

I had open heart surgery at the age of 13,, pulmonic stenosis. I’m now 55 and workout everyday.. makes me feel alive!

[@adamrosenduft]

You guys probably get a ton of comments and most likely won't see this, but if you do, could you potentially consider making a video about anxiety and depression in the brain and what's going on chemically or structurally from a mental health point of view? I've always been super curious and it would be cool to see the structures involved shown on the cadaver. Hopefully you guys see this and thanks for awesome videos!

[@Godsknight]

Yes! I hope they see your comment.

[@russellragan9386]

Great question. Do neurotransmitter imbalances show up in the tissue? Research dirty genes like MTHFR, are known drivers of gut carnage that fubars your nuerotransmitter balance/production. Hello focus/attention issues and/or depression until it is fixed. Dirty genes is a great little book. ( holistic and functional med communities)

[@elblopex]

Well, not even the best brain scientist have any idea how that works, so good luck with that.

[@mayb8876]

I think that's a complicated ask my man. There's chemical imbalance depression and also there's depression due to a shit life. Both are valid and real. But yeah ... I don't think there will be a real exact change in each depressed person. I've heard there's changes/ like atrophy...sortof. but I don't really know. I'm not a doctor or anything.

[@Iron-Bridge]

Hey Adam, you should check out this researcher Andrew Huberman, Hubermanlab, Stanford based researcher. Covers a lot of your queries in a scientifically sound but very accessible manner. He has made appearances on Joe Rogan and Lex Fridman podcasts.

[@markryan9323]

I started dieting and excercising at 36. I was 105 kg. Now I'm 43, 80 kg. I lift weight I couldn't even imagine before, travel a distance on my bike - uphill - that I even can't dreamed of! Our hyper-adaptable body is a grace from God, don't waste it! Go excercise now, not tommorow!

[@johntalak5453]

I am 37. Was 58 kg at 33, so I started bulking up. By 35 I was 77kg with a big tummy from taking weight gain supplements. I was always out of breath when I started running. Went OMAD with a little calisthenics and 10k runs. Now I feel amazing at 37. I run 10ks under 50mins . When I started it was always over 1 hour. The heart is amazing...

[@markryan9323]

@John Talak Great for you! Let"s keep it up!

[@NewAgeNomad93]

your comment made me less scared of aging. im 28 and just starting my journey. i feel like i have all the time in world

[@markryan9323]

@@NewAgeNomad93 Yes you are! There's a lot of wonders awaiting ahead! Age is just a number. Wish I know sooner, but it's better then never!

[@SpaceflightSimulator]

@Mark Ryan, I thought you said you weighted 43,80 kg now, but later I understod that you was 43 years old and weighted 80kg 😅. Going from 105kg to 43kg would be a little unheathy I think 🤣.

[@vicki826]

In case no one has answered your little quiz: the 4 valves are aortic, mitral, pulmonary, and tricuspid. I have a congenital heart defect that was repaired at age 45. I'm now dealing with all 4 valves leaking. Just started walking for exercise.

[@allisond.46]

Are you hoping it’ll help with the leaks?

[@vicki826]

@@allisond.46 No, more for overall cardiovascular health. Leaky heart valves can only be repaired or replaced via surgery (or minimally invasive trans catheter procedure). The leaks are mild to moderate and my doctor feels surgery is not warranted at this time.

[@blessingbreakthrough4199]

Sorry dear,be strong

[@jwalkrr]

Started my journey at 294 lbs, incredibly weak on strength training and could barely do a 10 min brisk walk and my heartrate would be 150-160... after about a year, i was 235.2 lbs today, jogging for 20+ mins at a heartrate of 110-120, and im SIGNIFICANTLY stronger when weight training. It gets easier every time you do it, our bodies are incredibly powerful machines if you fuel and train them correctly.

[@bmp713]

What kind of training helped you most to lower your heart rate so dramatically? Did you focus more on HIIT, or more on intensities you could hold longer before getting out of breath?

[@pocahontas4583]

Sounds similar to me I started at 270 at one point and just walking my heart rate would go as high as 160-170, resting heart rate in the 90s. Also my feet hurt REALLY bad after each walk and one foot got excruciating and I found out I had plantar fasciitis. After about a year I was down to 228 walking heart rate around 100-110 and resting heart rate in the 60s. I’m still dealing with the plantar fasciitis on and off for about 2 years now but it’s gotten much better.

[@curtriedel5036]

Thanks. I needed to hear that

[@berniemcbgood7674]

Fantastic news

[@darkfent]

Okay. Fine. I'll exercise tomorrow

[@NewMessage]

You just flexed your procrastinator muscle... take a rest. You earned it!

[@theanatomylab]

😂

[@splitzmindset6942]

Lmaoo

[@vickiecharamita]

Ha ha ha

[@user-mt7xq2le6e]

Rip😂

[@tarrySubstance]

I love this channel. I am not a medical student but I really like your ways of explaining the human body.

[@theanatomylab]

Thank you!

[@aishwaryab4432]

Me too ...I'm too not a medical student..I love to know about human body

[@usewisdom2]

Yes indeed better than in med school. I think they're too cocky

[@escottn]

I'm right with you

[@kpfly1]

Were all students you dont need to pay for a label

[@rinaticson390]

I'm just starting a journey, quit smoking a year ago, gained weight. I have asthma, but I don't want to be trapped in this body anymore. Getting ready to start walking and getting a new job. Want to start working out at a gym slowly to build up breathing and strengthen my body. I just found out that my youngest son and his wife are expecting my first GRANDCHILD. I'm 57 and want to be here to see this child grow up. Motivation, is here finally. ❤❤

[@sagenosnibor9173]

This guy's energy is everything! He looks like he's smiling when he's talking I love it!

[@MedlifeCrisis]

I’ve heard about this heart thing, sounds pretty neat

[@jacobfeldman8724]

Heard it’s a god tier organ :)

[@Alex-mp5xe]

@@jacobfeldman8724 I dunno that one brain thingy is pretty neat too :D

[@timothynewton6421]

Mitral valve aortic valve tricuspid valve pulmonary valve

[@Roanmonster]

Liver is god tier, my friend, you said it was final

[@GMS-ChaabarYakalATL]

@@Roanmonster can’t live without a liver

[@AbdulrahmanASaied]

There are 4 valves which are: - Tricuspid valve (consists of 3 flaps) : this allows blood to pass from the right atrium to right ventricle but not in reverse direction - bicuspid valve aka mitral valve (consists of 2 flaps): allow blood to pass from left atrium to left ventricle but not in the reverse direction The other two are called semi lunar valves and they are: -pulmonary valve: and this allow blood to pass from right ventricle to pulmonary artery, but not in the reverse direction. -Aortic valve: allow blood to pass from left ventricle to aorta but not in the reserve direction

[@theanatomylab]

Great!

[@dheeraj7395]

@@theanatomylab pin him

[@Dalewt75]

I watched this video about a year ago and was fascinated. It made me really want to go to the gym and push myself more in exercise. Thank you for this video and the information on the human body.

[@RyanMitchell-yy4no]

If possible, I would be very interested in seeing a side-by-side comparison of a sedentary heart with a highly athletic person's heart. Would be fascinating to the the physical differences between the both of them that accumulate over years/a lifetime of exercising

[@plnkfloydian7814]

I started running last year and I love it. Getting out there and getting your heart rate up for a prolonged period and a sweat going really wakes you up and makes you feel good.

[@theanatomylab]

Totally agree!

[@owmystomach8403]

I used to do drugs daily, then I became sober and later replaced those addictions with exercise. Exercise makes me feel energetic like I downed a strong cup of coffee, which is definitely better compared to the lethargy I would feel after using drugs

[@fionanaray9205]

@@owmystomach8403 well done! That takes alot of self discipline

[@plnkfloydian7814]

@@owmystomach8403 same exact thing for me, only got sober at 32. Im 35 and have never felt better emotionally and physically.

[@plutostarr8605]

True ‼️

[@doannad.1518]

I am an Occupational Therapist and these videos really help my patients understand exactly what is going on in their bodies! I love this channel.

[@theanatomylab]

Thank you!

[@TimberWulfIsHere]

Then you get reprimanded because apparently this is "out of our scope" Even though we did anatomy in 1st and 2nd year at uni.

[@LLCoolBeans86]

Doanna I'm an OT student! :-)

[@Fitness4London]

Thanks for this amazing video. I always loved biology at school, and eventually became a personal trainer. One of my clients came to me with obesity and the inability to run more than a few metres without gasping for breath. After six months of good diet and a wide range of exercise (including lots of walking between our sessions), he had lost a lot of excess body fat and ran a 5K race. three months after that he ran a 10K. After another three months he ran a half-marathon. Fast forward, he has now run 4 marathons and loves exercise and healthy eating. The human body is amazing if you give it a chance.

[@susienethercott3839]

I think you are the brightest person to teach these things. You so good and kind,or should I say you have a kind face while teaching. You have a passion for teaching anatomy and do it so well, no you , I love learning about it.

[@DavidHernandez-yb5pz]

Doesn't matter how many of these videos I watch, the human body never ceases to amaze me.

[@rambhadala1288]

You are doing a great job by educating not only medical students but also non medical folks too.Thanks for these amazing videos and a great respect to body donors too.Thanks a lot.

[@debbiesimmons7129]

I just found your channel through this video. OMG, I want to see ALL your videos. You have taught me so much and inspired me to REALLY be consistent in my exercises. I am 60 years old and want to really become the best and healthiest I can be. Thank you for your videos.

[@msSweeTae]

I started exercising two months ago. My bpm was usually around 80, now it's around 60 to 70 while resting or doing normal everyday stuff. It's interesting how much exercising impacts your whole body.

[@bosatsu91]

As someone who has had open heart surgery and works out regularly, this video was great! Sometimes I will have that freak out moment when my heart rate goes up about if that is a good thing over time. This helps me set some of those fears aside that what I am doing is good for me. Not too much....not too little! Thanks!

[@k4y23]

hi, what kind of exercise you do?

[@pmbluemoon]

I can see how people who don't move as much, can't get going right off the couch. I live in a senior community, and after watching this, and listening to their heart issues, I can see why we slow down as we age, and how things almost work against us when we don't keep moving (whether it be an injury, chronic illness or any other various things that can stop us from exercising) Thank you so much for this video, and happy holidays to everyone out there! 🙂

[@damkilla6806]

I was born with atrial septal defect. This video really taught what the heart can do and is capable of. Thank you for this🙏🏼

[@nelcalb]

I am in awe. Just thinking how exercise is strenghtening all the circulatory system around the whole body, how efficient it is routing more blood to some places and less to others... and this numbers of rest vs active in non trained person vs active in trained person, wow!!!!! Thank you guys, you deserve the best!

[@nicoleandrews734]

I just got in to nursing school (want to become a midwife) and after binge watching all your videos i feel more sure than ever that i want to dedicate my life to helping other humans (hopefully live ones though 🤭). These cadavers are blessings to us all to be able to learn in depth about our own bodies 🙏🏾

[@hinenik]

I'm a french student, working in an environmental mouvement with a huge interest for the human body; and i don't know if i'll have enough time to learn everything i want to learn before dying. You guys make knowledge so light and attractive, and these are things that maybe we should all know about!! Thank you so much for sharing all this with us and, proof of my admiration, I send you a small heart from Canary islands

[@Chris-yy7qc]

Why dont you go ahead and tell us about your hobbies or your childhood while you're at it sharing irrelevant information about yourself?

[@hinenik]

@@Chris-yy7qc I hadn't started with my hobbies, but i can do it too if you wish! I send you another heart

[@barbarachamberlain1763]

❤️

[@redhawkmillenium]

@@Chris-yy7qc don't be a jerk

[@Chris-yy7qc]

​@Space Dust You're telling me what to do and while doing that, you're doing exactly what you told me not to do? Now thats really funny. :-D LMAO

[@noelcollins2355]

I am an introvert addicted to exercising, I can not lie...I always feel so good I can't explain.

[@kristensorensen2219]

Thanks Professor really informative lecture. I'm 65 and from age 18 to about 40 worked out three or more times weekly. Doing the same level of weight training and swimming got harder after 40. I swim most every other day now and gave up the weights to save my back and joints. I need the endorphins to stay healthy and happy. But I miss the endorphin rush I could get in my mid 20s after a 2 hour workout!! Age robs us of strength and the feel good level of benefits too. It sucks!! Enjoy your youth!💖

[@CarSetupMaster]

Who is enjoying their youth? Have you seen the state of today's youth? It's tragic!

[@CarSetupMaster]

@Cornerdisc5504 there's some truth to that, but I meant the moral fabric is destroyed. I wasn't talking about bills

[@godfreypatrick9792]

Im 66, running since I was 15. Survived 1 stress related heart attack only because of running. I live in Munich and work in UK, and have a treadmill in both apartments (dirt cheap if you buy on ebay), I run now at a pace that is 50% slower than in my mid 30s. It takes real effort to keep fit and if I skip a few days my fitness level plummets - I aim for 5 runs / 20km a week and am pretty good at keeping it. I do it for relaxation (engineering consultant workaholic, idiot that I am).. and to keep me alive. I have now got over watching others rocket past. I run for me and I hope to continue this great sport until the day I finally experience sleep. ☺

[@jmass4207]

Sarcopenia will only get worse if you do no resistance training.

[@ruthnoya8424]

Get some hormone replacement therapy and hit the weights again. Carefully. Focus 100% on proper nutrition. Get an ebike and start biking.

[@vijaykumarpandey2095]

LA-LV ~ Mitral Valve(Bicuspid Valve) RA-RV~Tricuspid Valve Aorta-LV~Semilunar Valve RV-Pulmonary Artery~Semilunar Valve

[@wednesday6018]

Thanks for making my anatomy nerd dreams come true with this channel. I love your videos. Keep up the great work. You all are making a huge impact.

[@hamsteroncoffee]

Wooowwww! This video is pure gold 💛! THANK YOUUUU! The human body is simply amazing! I am the kind of person that faints when I see blood and feel nausea when seeing injuries and stuff. I pushed myself through this video (though I cringed while you showed the body parts). But I am so happy I did that because now I know so many things about the heart ❤️. Thank you so much for this video, it is my first video I watch from you from start to finish and for sure it will not be the last one either 🥰

[@jessicahawkins1105]

I have tenosynovitis... And would love to see you make a video about that so it's better explained to me and possibly others who may also have this issue. Love your videos. They helped me alot while going through paramedic school. Keep up the great work guys. Thanks

[@arielleivey2618]

As a Cardiothoracic surgery medical coder, this is so fascinating to actually see the heart/full picture of all the terms I work with each day ❤

[@nattybynature1262]

I really and truly appreciate how you present these topics. I had a hard time staying engaged and passing my biology classes from Grade school all through uni. But this is so we'll paced and the practical demonstrations make it so easy to understand and enjoy. Kudos!

[@dreday8680]

I'm 32 began running again only 2 weeks ago. Was only able to run 30 min straight on 5.7 before being depleted. Now I'm able to run 60 min straight. I can literally feel my heart and lungs utilizing the O2 more efficiently. I'm not as tired when I'm cooling down. And I recover my breathing quickly after. Loving the high of being healthy and active. And making my heart strong. Trying to hit 6.0 speed, that's my goal.

[@VegasElement]

That's pretty incredible. You're probably running a 10 minute mile. So, 3 miles in 2 weeks? Wow.

[@dingdong6005]

How are you doing now?

[@walkerpantera]

I just LOVE this kid, and I say that with big respect to your youthful appearance and exuberance. im 54 and exercise just working on my hilly acre lawn using a non-self-propelled mower. 💪🏼

[@mitraj7763]

I had no idea heart cells could get bigger through exercise. I feel bad at myself quitting exercising through the quarantine. Really interesting videos, love them all!

[@qook1543]

Never too late to jump back in

[@haroldcruz8550]

Overexercise could also be bad for your health and your heart. 45 mins of intense workout I think is the recommended time of workout and two days of rest.

[@TheGlowingOnee]

@@haroldcruz8550 no

[@bjtheamazing6550]

@@haroldcruz8550 maybe at the beginning but after a couple weeks you could easily start working out 6 days a week doin push/pull/legs split. Maybe you’re talking about Cardio? In which case you can definitely do more than 45 minutes a day as long as you slowly work up to it.

[@haroldcruz8550]

@@bjtheamazing6550 I was talking about intense workout. The type of workout that push you to your limits.

[@deepring]

I am going to study this one in the next year. I am very excited to see all this live. Hope to get our lecturer to be of the same smooth attitude like this man. ❤️❤️❤️

[@usewisdom2]

They dont. So Cherish this guy

[@rnbaker11]

This is such an amazing channel. I wish there wasn’t such a large focus on only the aesthetic effects of exercise. Knowing how it impacts all the systems of your body is inspiring. It motivates you to care for your body and stop thinking of exercise as a punishment.

[@TheLuminousCleric]

I dont consider it punishment, but you need to set aside time for it. Also, cardio exercises are BORING!

[@alcikelly2496]

Agreed! I couldn't give a fk what other people think my body looks like, I just care that I'm comfortable in my skin. But seeing how exercise can improve blood flow and increase capillaries around the body makes me want to nourish my cells! And learning how limited our myocardium is reeeeeeally puts preventative care into perspective 0_o I've started implementing weekly exercise goals and dug my fitbit out of my dresser to keep track of my bpm during exercise and my resting hr since stumbling across this channel 🙏🫀🧘🙇🏃

[@johnhowley7134]

your body is a truly amazing piece of equipment, so we need to look after it. it never fails to amaze me how folk take their car to the garage for a service every 6-12 months, but neglect their bodies for decades.

[@toddcooper2563]

My ex-wife is a surgical technician (we are still very close friends) and she would always tell me that I don't have a clue just how complex and wonderfully designed the human body is. She couldn't have been more correct. Since I accidentally ran across this channel about a month ago, I can't get enough of it. Well done, folks!

[@sirvaant]

There really is a creator out there, and he loves us dearly.

[@toddcooper2563]

@@sirvaant Absolutely, my friend. If you noticed, I said designed, not evolved. God is good!

[@MartinDiStasio]

Christian’s are very weird people. You’re God doesn’t exist. You’ve been brainwashed.

[@anujkhare3815]

@@sirvaantguys like you dont deserve science. If you really very truly believe in science ,you cant believe in god and vice versa. Google this quote and understand the depth of this quote

[@D-A-N-]

@@sirvaantAlhamdulilah

[@imberrysandy]

Yes!! This video came during the time I'm studying for my exam about the cardiovascular system! 🙏🏽 Thank you, as always!!

[@bryan-zp6ty]

I recently decided to get back into shape since during covid I got depressed and it’s so exciting to see this nonfiction come up! Great work as always!

[@allisond.46]

Tricuspid valve, pulmonary valve, mitral valve, and aortic valve. Also, now I want to exercise, but it’s 4 am. I’ll do it in the morning.

[@torismith5088]

Same Lolol

[@choyamica7585]

Brother it’s literally 4 am rn I love that so much

[@user-rs6gg6bb1d]

Nah, it has bo done now...like right away. Later doesn't count as real

[@rambofaroujxz1294]

Vavles: -Tricuspid vavle -Mitral valve -Aortal valve -Pulmonary valve

[@tammyo8922]

Wow! That little organ sure packs a wallop! 😃 So cool - thank you! It’s very humbling to see how intricate our body systems are, and envision all the potential things that can go wrong with them. It makes me appreciate the fragility of life ❤️ The valves are: Tricuspid valve, Pulmonary valve, Mitral valve, Aortic valve.

[@Joy80JJ]

I'm not in med school nor a dr or play a dr on tv. I just love all your content. Explained for us non medical people so we can understand. Thank you.

[@lionllew6601]

I only just started cardio training, been doing resistance for over a month, last week my bpm was 180 during high interval training down to 160 after 2 minutes at half resistance, this week I was at 170 and getting down to 150... in a week! I only do about 1.5 hours over the week but already it has been a huge improvement. I can't wait to see what happens in 6 months. This is a important lesson fro anyone just starting exercise... keep at it!

[@dingdong6005]

How are you doing now?

[@lionllew8459]

@@dingdong6005 Had a break over christmas that put me back, but still at it and stronger than ever, thanks for asking. I can now do a lot more cardio than ever before but it still has room for improvement.

[@bmp713]

What kind of training helped you most to lower your heart rate so dramatically? Did you focus more on HIIT, or more on intensities you could hold longer before getting out of breath?

[@noreensmith8614]

How fearfully and wonderfully made are we by God🙌🏽 Thanks for this presentation !

[@luisrestrepo2691]

1. Tricuspid Valve (Right atrioventricular valve) 2. Bicuspid Valve (Left atrioventricular valve/ Mitral Valve) 3. Aortic Semi-lunar Valve 4. Pulmonary Semi-lunar valve btw love your videos!

[@mikehollandsworth2312]

The anatomy of the human body is amazing. The information presented has helped refresh my knowledge base since my college days as a student in Exercise physiology.

[@sopatisserie1282]

I love these clear explainations for non medical people to understand how the heart functions. You are a top professor !

[@Dreambarks]

I remember some of Gunther von Hagen's series on the heart, particularly when he had aortas from people of different ages laid out on his examination table. The aortas became dramatically enlarged by age 50 due to cholesterol plaques. He was in his 60s and said that his aorta was like the 30 year old's because he ate a good diet, exercised, and had a few drinks a day. I wish I could find his series to watch again. I'm enjoying this series very much and I look forward to more informative vids!

[@shylendrakumar5183]

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[@roddydykes7053]

I’m not sure any amount of alcohol is good for the heart. Certainly I think it’s quite the opposite

[@VivecsTDawg]

love these videos. The body is truly a stunning organism and some of the stuff it does automatically to keep our body operating is nothing short of amazing!

[@denissemedina4619]

I was able to skip for intervals of 3 minutes yesterday w/o feeling like my heart was gonna beat out of my chest 😌🙌🏻 progress and a stronger 🫀🤗

[@owmystomach8403]

I love that feeling of realizing I'm having an easier time with intense exercises over time, it is such a confidence boost

[@dannywholuv]

I skip on my lunch breaks. Its tougher than i thought!

[@jitendraitankar]

One of the most impressive and scientific videos i have see till now. U r a great teacher buddy...keep us motivating to improve our bodies

[@amoxiduo]

ustedes son los mejores no me cansare nunca de decirlo estoy fascinado estudiando sus videos, aun con los subtitulos de youtube estan muy por encima de cualquier educación en cualquier universidad, muchas gracias de verdad miles de bendiciones para ustedes.

[@dailydoseofmedicinee]

Exercise reduces stress hormones that can put an extra burden on the heart👍

[@pyramidstate731]

I have been enjoying these videos a lot! It actually makes me less scared to have health issues understanding how everything works. Do you or will you make one about herniated discs in the back? There is a huge community out there struggling with bad backs myself included. I would love to see how it all works with pinched nerves and how parts of your body can go numb.

[@Betty-tj8sd]

I have learned tremendously from this video. I understand my heart more now then ever. My adult grandkids are learning about the heart in high school.

[@TreeofLife_111]

I love your channel! I am a future nurse student and I love holistic/exercise knowledge! Thank you for prepping me for anatomy!

[@Aye.919]

I was born with tetralogy of Fallot so learning about the heart was always a thing for me. It’s awesome to see a real heart dissected and exposed. Thank you for doing this. ❤️

[@fighterinmkiwiscience3517]

What you mean?

[@benjamin3615]

@@fighterinmkiwiscience3517 Tetralogy of Fallot is a combination of four birth defects of the heart. You're born with ventricular septal defect, pulmonary stenosis, a misplaced aorta and right ventricular hypertrophy.

[@damoniewatt4086]

Whenever I watch this channel I feel like I'm back in school again, in biology class.. awesome stuff

[@brianaglenn3706]

Love watching these while working out. Really insane the information you don’t know till you know. Thank you!!!

[@basingstoke63]

A fascinating video . I am 58 and suffer from , COPD . Over the last four days i started to clear my overgrown garden . After day one i was exhausted with cramp and joint pain . Today , i spent four hours continuing the job . And don't feel too bad . Maybe another few days to complete the task , and if all goes well , maybe I shall attempt some cycling and swimming . I don't believe for one moment , that I will return to the fitness level of my service days , but anything is better than nothing . Thanks for your inspiration .

[@CardsharpGaming]

The four valves of the heart from right to left are as follows: 1. Tricuspid valve 2. Pulmonic valve 3. Mitral valve (or biscuspid, though this term is not often used) 4. Aortic valve - CMA, RN

[@gambl3rtv26]

After a surgery in thoracotomy I stopped working out for about 2 years and my heartrate increased to 85 to 100 bpm while resting causing me anxiety problems. When I started working out again the difference was crazy. After few months of consistent gym workouts and cardio my heartrate dropped down to 50/60 bpm while resting!

[@himpatel5213]

Thanks for sharing

[@dingdong6005]

How are you doing now?

[@lbredin]

I'm 63. 1.) Great information 2.) Wish I had a professor explain things as simple and interesting like you when I took a physiology & anatomy class in college. I switched to business 🙂

[@skvideos-for-all]

This kind of content keeps me engaged with KZbin . Plenty of knowledge

[@candiceseitz5798]

Thank you so much for starting to explain this!! I appreciate it as I asked for a video explaining what makes heart muscle different from other muscles cause in disease an enlarged heart is a bad thing so I feel like your getting their. You guys make this stuff so easy to understand😁

[@leonsunu1209]

I'd love to see, how a gastritis works and what it does to the body and why it happens. I love your videos and you guys tought me more than school in my 8 years of having school :)

[@ChopBassMan]

I would definitely love to watch 40 minute videos on anatomy and body functions! This channel has taught me a lot of new things and helped me remember things that I was taught long ago, in my youth (aka 'the dark ages' lol). I tend to watch videos on this channel in groups of 4-10 (on average) so 40 minutes wouldn't be anything out of the ordinary.

[@britneyw873]

Thanks SO much for this video. I've been looking for an accessible explanation for why exercise is so good for the heart and here it is!

[@theresagoodman8637]

I just love your channel!! I love the way you explain things and demonstrate them on the cadaver. Do you think you might ever do a video on how the heart ages over time? As an aging athlete, I’m particularly interested in how the performance of the heart changes as we age. As I’m in great shape, but overall performance is down from even 5 years ago, but I’m overall stronger than I was 10 yrs ago which is greatly due to improved nutrition. Anyway, thanks so much for your informative videos. Keep them coming!! 😊

[@daa2622]

this channel has educated me more than my textbooks. topics that we care about, and highly well organized and presented; sometimes i feel like we dont deserve such high quality content like this. Edit: spelling mistake :P

[@YnezSage]

Aortic valve, mitral valve, tricuspid valve, & pulmonic valve for the quiz! I wonder if you could get two cadavers with almost opposite lifestyles and health to see the difference in the importance of taking care of the body.🌻 Thank y'all for your time and energy! I am inspired!

[@lilagracemoves]

Those 4 valves: Aortic, pulmonary, tricuspid and mitral. Thank you as always for such informative videos. You guys are the best.

[@CarthagoMike]

I'm Dutch originally, so I might have the valve names names slightly wrong but I believe it is as such: - Left: aortic valve ( left ventricle to aorta) & mitral valve (left atrium to left ventricle) - Right: pulmonic/pulmonary valve (right ventricle to artery) & tricuspid valve (right atrium to right ventricle)

[@JamesSerapio]

Umm... I'd totally want to watch a 40 minute video on muscle adaptation. Thank you for all that you offer us. Happy Holidays from Canada!

[@surajmishra4135]

1. Eustachian and Thebesian Valve guarding the opening of Inferior Vena Cava and Coronary artery. 2. Tricuspid Valve between Right Atrium and Right Ventricle 3. Bicuspid Valve between Right Atrium and Right Ventricle 4. Pulmonary valve between Right Ventricle and Pulmonary Trunk 5. Aortic valve between Left ventricle and Systemic Aorta.

[@pugs_ruleblah8284]

I’m still in high school and studying for my cna these videos have helped me have a good visual representation I have a test on the heart on Tuesday so thank you for educating

[@jessicapeyton5444]

If there was anything that could convince me to exercise more, it was this video! I can see how it has a direct impact on your lifespan. If your heart has to pump at a higher bpm, that wears it out faster. On the other hand, if it's more efficient, it could save you a significant number of strokes over time! To me that correlates directly to a longer life 😮

[@akounnas]

When I started cycling my resting heart rate was the most shocking and easily quantifiable metric on my progress. I went from a resting BPM of 70-80 (morbidly obese for many many years) to around 40-42, it's really amazing how drastically you can change and how fast your body adapts to a new lifestyle.

[@amirabed5652]

How long did that change take ?

[@foomoo1088]

Same here! Took about 4 months to get resting HR from 60 down to low 40s

[@akounnas]

@@amirabed5652 I wasn't monitoring my resting HR too often so I don't know the exact time it took, but no more than a couple of years for sure.

[@marcdaniels9079]

You are a genetic freak/ blessed person. For a lot of people 70 is a perfectly acceptable resting HR. 40 is very low even for well trained athletes. Marco Pantani who was juiced to the gills on EPO was still only 32. I have been doing cardio my whole life, never been overweight and rarely see below 48, at age 61 Well done for exercising.

[@akounnas]

@@marcdaniels9079 It's genetics as you said, on the other end of the spectrum my max HR is pretty low, I haven't done a Max HR test but judging from LTHR efforts my max HR shouldn't be more than 175, which is kinda low for my age (39), so probably my heart was genetically programmed to work 5-10 bpm lower to average.

[@gkwell21]

The best channel on youtube. I have always been fascinated with the human anatomy and this channel is answering so many of my questions. I Love it love it !!!

[@wojak91]

The human body is an incredible creation.

[@ayushkanth7565]

Love from my ❤ for making such an amazing and informative vedio. The 4 valves of heart are 1.Tricuspid valve 2.Bicuspid valve/mitral valve 3.Semilunar valves(pulmonary and arotic).

[@sahildhingla]

Amazing video! Its crazy how much the body can adapt with exercising. After 2 years of sedentary lifestyle over the pandemic lockdown period, my resting heart rate was over 100 bpm. Now I've been brisk walking on a treadmill for half an hour a day for the past 1 month and my heart rate is slowly coming back down.

[@updatedvideos8788]

Nice

[@marcdaniels9079]

Keep going 👍

[@sahildhingla]

@@marcdaniels9079 Thanks man. I've lost 10 kg now and feel much better.

[@marwannakouzi5274]

That’s great ! Before quarantine I had a resting heart rate of 52 bpm, post quarantine its now up to 70. Started working out 5 times a week like before and its slowly going down as well

[@sahildhingla]

@@marwannakouzi5274 Awesome!

[@shankarm8010]

Trust me , I wanted to learn abt the acute effects of arterial stiffness due to exercise but this videos must be the best way to start! Thanks Man U gave me enough confidence!

[@sanket_narode]

Satisfied after watching this video as I am a regular runner and in mid 26... This video will motivate me to push myself forward...👍

[@muzammilhussain8679]

I love this channel so much! It really helps me understand science even more then the ways teached in school books- And ofcourse, I appreciate your every moment of hardwork, the way you all work hard on bodies! Good luck for the future!

[@theanatomylab]

Thank you!

[@usewisdom2]

Agreed. Much better than any school, undergrad or med school.

[@Wiseman189]

I am 40 years old and I had a heart attack about 3 months ago I was 100% blocked and could have died, they installed a stent a pacemaker and I was in the ICU for about a week. It was pretty scary thinking this was it for me. I'm okay for now but Live life and be happy you never know when it's your time to go

[@nattybynature1262]

Glad you came out of it alright. Thanks for this all-important reminder. Blessings to you

[@Wiseman189]

@@nattybynature1262 and thank you I appreciate that take care of yourself

[@zone47]

I love these videos, thanks so much for all the information. It's mind blowing that the human body has so many perfectly balanced 'smart' systems that work together and adjust to different conditions as needed, what an amazing design!

[@user-sq6xm9bh6m]

I'm a medical student im Germany so I only know the valve names in German / Latin, so I'll name them in German😂 The valve that connects the right atrium to the right ventricle would be called Valva tricuspidalis (as it has 3 cusps). The blood will then have to pass the Valva trunci pulmonalis (the valve that sends the blood to the lungs). The valve from the left atrium to the left ventricle would be called Valva mitralis or bicuspidalis as it has 2 cusps (This is also the valve that experiences the most stress which is why it is prone to infections like Endocarditis. Lastly the Valva aortae seperates the left ventricle from the rest of the body and is also responsible for collecting blood from the Aorta so that it can fill the coronary arteries to supply the blood. I hope this could help ^^

[@NUDZZZ]

magsukul