Excretory System and the Nephron

Join the Amoeba Sisters as they explore the excretory system! This video will first discuss two major functions of the excretory system before focusing on the nephron. The majority of this video will tour through the nephron while listing major items reabsorbed and secreted.
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Factual References:
Betts, J. Gordon, et al. “Anatomy and Physiology.” Openstax.org, OpenStax, 25 Apr. 2013, openstax.org/books/anatomy-and-physiology/pages/25-3-gross-anatomy-of-the-kidney.
Clark, Mary Ann, et al. “Biology 2e.” Openstax.org, OpenStax, 28 Mar. 2018, openstax.org/books/biology-2e/pages/41-2-the-kidneys-and-osmoregulatory-organs.
Urry, Lisa A, et al. Campbell Biology. 11th ed., New York, Ny, Pearson Education, Inc, 2017.
Note: How many nephrons are in a kidney? We mention it varies - it could be a million but it could be a lot less or a lot more. Check out this paper on that www.ncbi.nlm.nih.gov/pmc/arti...
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FURTHER READING SUGGESTION:
Remember, we mentioned there is so much more detail to explore!
Explore more about additional substances reabsorbed and secreted - as well as the percentages absorbed and secreted with this awesome chart from OpenStax:
openstax.org/books/anatomy-an...
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The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. Amoeba Sisters videos only cover concepts that Pinky is certified to teach, and they focus on her specialty: secondary life science. Learn more about our videos here: www.amoebasisters.com/our-videos
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Hindi Subtitles Credit: Alisha Aggarwal
We gladly accept subtitle translations from our community. Learn more here: www.amoebasisters.com/pinkys-... We want to thank our amazing community for the generosity of their time in continuing to create translated subtitles.
We also have videos dubbed in Spanish and Portuguese using an artificial voice via aloud.area120.google.com to increase accessibility. See our Amoeba Sisters en Español channel / @amoebasistersespanol and Amoeba Sisters em Português / @amoebasistersportuguese

[@AmoebaSisters]

We have a resource that complements this video! Look under "Excretory System" on the alphabetized list near the bottom of our handout page www.amoebasisters.com/handouts

[@muhammadjalal2335]

Cool love it ❤️

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I finished biology last year but I’m still going to be watching these videos for… well hopefully as long as I live

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Same, learning this kind of stuff is fun for me.

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Same, i just graduated & amoeba sisters helped sooo much. now i just watch their videos for fun lol

[@lisandro1076]

True. I am going to finish biology this year, and I will definitly keep watching these videos

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Yessir

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Same !

[@salt5711]

As someone whose a visual learner, your way of showing the information with the diagrams is so helpful, in just 1 watch and some notes I have been able to ace all my biology tests. Appreciate this so much

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I Passed my biology CBE thanks to yall! Thank you so much for the easily digested explanations and easy ways to remember! Yall made me get As on both

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well done

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Congratulations 👏🏻 🎉

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I CANNOT thank you enough guys......... i get full marks in every bio exam and the animation and the simple language help me remember information sooooo wellll i love u guys

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POV: Your here bec you didn’t pay attention in the class

[@mrmushtaq3090]

Ehm -2 points for revealing our secret

[@user-kj7xw2pq4p]

Ummm....... let's jus say I'm still get the info in a better way than the teacher ever would plus talking with my bestie is way better than listening to my teacher yap for 1 hrs 😅

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True❤❤😅

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Tbf my instructor only has a bachelor's of education with no knowledge of anatomy lol

[@gametime3904]

You are hands down the best bio channel EVER!! Keep it up!

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How true 👍

[@cobalius]

One of the- Osmosis org was i guess another good one

[@Calli.ramira_13]

I have a biology test tmrw and this helps me a lot to understand the basics before going deeper, THANK YOU SO MUCH YOU'RE A TOTAL LIFESAVER 🙏🙏🙏🙏

[@shamaselim6195]

I love how excited these videos are. it makes the topic more fun

[@AtLeastOutLoud]

Your videos on nucleic acid, genetics, dna and rna helped me with my anatomy and physiology paper. As a person with adhd and a one who is very visual to boot your videos are such a huge help to me. Thank you so much!

[@StaticBlaster]

It's been a while since you've uploaded. So, it's great to see a video from you. :)

[@InfoChannelOfficial]

My day always get better whenever the Amoeba Sisters upload. I love how they present information in an easy way to remember. Keep it up, guys! Your videos never get old....;)

[@aparnakrishnappa760]

I have passed my entrance exams to Stanford because of this video. I love you guys so much

[@thesofspades8709]

I used your guys's videos to help me pass my biology exeleration exam! you always manage to teach a lot of stuff in a fund and understanable way. You gained a subscriber!

[@WDCallahan]

This hits so close to home! I'm always trying to maintain my osmotic balance and get rid of metabolic waste! It's like you know me. :)

[@sdnotessanthosh1535]

Bio has become so much easier thanks to this channel. All the best to this channel!

[@calzos]

I love these videos, so informative and all the cartoon drawings are so fun!! Like the hormones demanding ALL the salt haha their little expressions kill me 🤣

[@rafsanjani7819]

I just love the way she made it look like a piece of cake yet gave a detailed explanation which helps me remember. And yes, the video explains much better than my science teacher.

[@ADAG4EVER]

What is better than learning without feeling the pressure this is just perfect

[@mingyue_chen]

Is it just me or is this video so much more detailed than those of the other systems?

[@unmep2528]

Well, at the start of the video she did say that the excretory system is the most ignored, and in fact, the most important system that not many people are that familiar with. Maybe the amoeba sisters are biased? LOL.

[@bibyennna]

Wish me luck, on my finals, 5 systems are what I need to study. Bless me Amoeba Sisters!

[@ssm188]

all the best! you got this!

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I been using these for my MCAT studying, u guys r the goats

[@epsitadutta7338]

Omggg. Bless you amoeba sistersss. You just simplified me one entire chapter I was struggling with.😘

[@nightteen5230]

Guys!!! I can't thank u enough😭😭 I've been struggling lately looking for this exact topic and here u are...fulfilling my wish...I just want to say that I love u so much coz u made me love biology. Keep up the great job 💗💐

[@anikasmith6599]

Awesome video! I just learned about the excretory system yesterday and found it intriguing- I was excited to see this video show up on my feed!

[@vanshikahariya7144]

You guys made it so easy. Thank You so much ❤ . You have no idea how badly I was struggling to remember this portion

[@pepperpoper5878]

*sees notification* GASP *immediately clicks*

[@wolfypaw268]

That was me as well. So happy to see another Amoeba Sisters episodes ^^

[@ShyamAmbhure]

Very knowledgeable and can easily get in mind thankyou

[@alexiamentzel3342]

You help me pass bio every time, i love y’all

[@mewdit631]

School haven’t even started for my but I’m just watching for fun. And hey you never know if I might need this video again for when schools does actually start, so I’ll be ahead and prepare :)

[@megan5153]

This helped me so much. I have a biology test in 3 days and its A LOT of work, but this helps me understand faster and better

[@Saad_prince]

I am from syria i have watched your videos for awhile .. i really love your videos .. its help me in biology Olympiad .. ❤️

[@mvp_health-n-beauty]

Iiiiiiiiii luv your content! The animations really help to give a much needed change of pace to learning 👏🏻

[@shadoukyatto4758]

I've been watching this channel since 8th grade and now I'm a freshman in college.

[@Lamplovr]

U make every topics really easy to understand

[@chrystalzhou8274]

Can you do the nervous system? Thank you, y'all are the best! Amoeba Sisters are so awesome!

[@Yukira_msm13]

They are done doing that

[@megaddington7774]

when studying makes me want to cry i go to your videos and it makes me smmile and enjoy the subject

[@ThePlaidestLad]

My bio teacher just plays us these videos instead of teaching lol. I'm seeing a bunch of comments talking about these videos as a go-to if they missed notes in class. THESE ARE MY NOTES IN CLASS! (not complaining btw)

[@belenmuchaypina525]

Soy de perú, estos videos me ayudan mucho a estudiar mi carrera de ciencias de la salud. Sus videos son precisos y preciosos, sigan así y exitos en el futuro.💓

[@myname9523]

Biology is so hard. Every time i think i understand everything goes even more complicated. I feel like the more i know the more things i don't know. But hopefully i am getting better at remembering this kind of stuff

[@everycontentbytalha]

Thank you so much you helped me so much to prepare my tomorrow's test 🌹🖤

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You gals were my hit that fpt into to the waters of science when i thought my life was going down hill forever thank yoy for sparking a passion within me to do something i would have never experence in life yoy opened alot of doors to me and sparked the passion of all science within me i can say this enough thank you

[@thesumayya_]

you guys deserve a raise!!

[@shekinahmarcel7366]

i was going through ur channel and saw this post. Now time to learn the excretory system!

[@saranasim2109]

mee too

[@LegoThemeParksOfficialChannel]

Nothin beats a good amoeba sisters video

[@ssm188]

thank you so much for all that you do, you guys rock!

[@Pixiesfairiedust]

Funny I was on the toilet when I got this notification

[@jahnavithyagraj8411]

😂

[@deepalishah9322]

Thank god you are back again with long videos

[@Ididntwantthishandle]

I feel like I'm too old to enjoy these as much as I do lol

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U CAN NEVER BE TO OOLLDD FOR THIIISSS!🤡😼😼😼

[@anonymous_2018]

Omg I got so excited when I saw a notification for a full new video. Thank you so much Amoeba sisters for all the work you guys do! Please keep making new videos like these. P.s I was wondering what drawing tool petunia uses since I like to draw too.

[@dakotasanto66]

I love the IASIP reference at the end lol. Thank you guys!

[@jayceel251]

without you guys i'd quit bio tbh, love u girls

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You guys are a blessing!

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BRO I LOVE THIS CHANNEL TOO MUCH 💕

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Plzz keep posting vedios regularly ......there is so much to learn from your vedios✨✨✨

[@jeewanisadawanthi]

Woohoo 😃 what a wonderful lesson 💓

[@YAKSH447]

Yes your all videos are awesome 👌, I am waiting for this system 😀 😄.

[@MadonnaBlack]

Saving prenursing students one video at a time Lol

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Böyle bir kanalı tesadüfen sınava çalışırken bulmak beni aşırı mutlu etti sanırım bir biyoloji aşığıyım 🤌🏻🤌🏻🩷🩷🩷

[@dailydoseofmedicinee]

Great explanation👍

[@taraxia9621]

aww the art is so cute i love it and its easy to understand the explanation thanks for your videos

[@yatogamitohka2935]

You are better than my Prefosser explanation😁 bless u

[@user-ez6rz7qb3h]

What a wonderful lesson 😊😊❤❤😊🎉

[@davisdesign100]

excellent info.

[@abderahmanekouraiche8676]

Thank you so much 😊

[@Nico-jj3dz]

i missed the amoeba vids

[@nimogatero]

If your a teacher the students will be HAPPY

[@methdini9834]

you're far more better than our teacher

[@harnoorb9182]

please upload more system videos!! please upload nervous system!! I LOVE YOUR VIDS

[@mohludimsiza1237]

Your videos are the best I passed Life Sciences because of you guys Thank you very much

[@nudtanunwarnnissorn]

thx! I'm taking the biology exam tommorow😍

[@W4VDragon]

Amazing explanation

[@natarajanrd]

This was a fun and informative video

[@10Th1ngs]

Thanks Amoeba sisters♥️♥️♥️🥰🤩

[@queenNabi07]

I love you sooo much. Exams are tomorrow and this is just what I needed. Thanks a lot, you're videos always come through for me. ❤️❤️❤️

[@noxieee1614]

Can we take a moment to appreciate their creativity when making these, It makes learning less miserable 😭😭 " filtered all your toxins today😎"

[@JakeAndBeastBoy2002]

I never seen this video before use helpful of school it doesn't open yet that was science class to make sure video well be soon ;)

[@or6500]

Here to say thank you for the "it's always sunny" reference

[@pritikamala8100]

i really really love your videos, helped me understand the concepts better... thank you...it would be really helpful if you can make a video on urinary system plizzzz.....

[@tulipcheong1179]

The excretory system IS the urinary system. 🙂

[@MicrowaveOvenVideo]

1:57 & 8:09 Just one little nitpick. The ureters loop behind and under the bladder, filling from below. This is because having the urine fall into the bladder would be taxing having a constant drip of liquid as well as unneeded stimulation of the nerves.

[@tacolisha]

Mmm. Love these!

[@TailsOfficialChannel1992]

Yay New Video!

[@Wtv_3shall]

I have no clue what girlys on abt. I understood the first 2 mins but got lost at the nephrons 🙂

[@kenziebacklin11]

Id like to see a video by u guys on kidney failure as well

[@unknownpitch]

Please sister Make videos on Aldosterone and ADH if possible.

[@WorthyAgnes]

Thanks a lot❤

[@dweebteambuilderjones7627]

Your characters are frequently hilarious, and this video was a great showcase of them. "WE DEMAND *ALL* THE SALT!" - Aldosterone, probably.

[@aguadajerico7131]

Hoping for a discussion of Renin Angiotensin Aldosterone System ❤

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Ağlayacağım bu kanalı yeni keşfediyorummm yaaaaa😢

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Thanks!

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I really wish KZbin and this channel existed while I was choosing a career

[@RubenRodriguez-ig4js]

I love your videos and they have always been very helpful. Just trying to help you out and tell your that on minute 8:25 you accidentally spelled Urethra wrong I’m not trying to be rude just trying to help you out. Thanks for your videos they have been a great help.

[@AmoebaSisters]

Great catch!!! This is the first time we’ve had anyone point out this typo and we really appreciate it - somehow it got past us. We will make a correction! Thanks again!

[@superclock4105]

My most favourite part of the human body is the nephron!

[@kiddostories71211]

entertaining biology!!!!

[@sweetcreemaker]

I love science 😍

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I love you ❤️ thank you so much

[@richardampofo6079]

I really like the social media posts at the beginning. Very Cute!

[@dekangtong9291]

谢谢！

[@AmoebaSisters]

Thank you!!!

[@sonalparekh8955]

You did better than my teacher in 10 minutes😂

[@maonki1948]

can you make a video on Mitochondrial down and how its passed down plssssss.