Reaching the Age of Adolescence Class 8 Science (Biology) in One Shot | BYJU'S - Class 8

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Hey, Champs! Hope you remember our session on Reproduction in animals. In this episode our BYJU’S tutor, Aishwarya Ma’am solves Reproduction in animals NCERT exercise questions.
The session will act like a recap episode. After this session, you will be able to answer all the questions related to this chapter.
Don’t believe me? Then join this session.
It is a golden opportunity to clear all your doubts. So without further ado, click on the play button.
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00:00 Reaching the Age of Adolescence
5:11 The beginning of life
11:25 Fertilisation - Sexual Reproduction - 2
3:31 About Ovum
14:08 Sperm - Which Gamete determines
19:09 Life Cycle
22:15 Infancy - Development - Childhood
23:21 What is Adolescence?
24:30 What is Puberty?
25:54 Different between Adolescence v/s Puberty
27:28 Quick Question
28:55 Changes in Adolescence
30:17 Physical Changes
46:44 Emotional Changes
51:53 Secondary Sexual Changes
57:17 What makes these changes?
59:25 What are Glands?
1:03:05 Hormones
1:04:02 Sex Hormone
1:05:15 Let’s understand two Important Sex parts - Testosterone - Male Sex Hormone
1:06:14 Oestrogen - Female Sex Hormone
1:09:37 Level of Oestrogen hormone
1:12:36 Effects of Menstruation
1:13:50 Phases in female’s reproductive life
1:16:05 Quick Question
1:16:49 Endocrine Glands
1:17:31 Pituitary Gland
1:18:20 Thyroid Gland
1:19:10 Deficiency of Iodine
1:19:38 Process of Metamorphosis organisms
1:20:30 Let’s talk about Pancreas
1:21:16 Adrenal Gland
1:21:44 Quick Question
1:22:14 Summary of the Session
1:22:17 Reproductive Health
1:22:27 How to maintain reproductive health
1:23:17 Sexually transmitted diseases - AIDS
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[@rajithpoosarla1549]

Very good explanation, you helped me for my science exam , thankyou so much ma'am!!!!

[@gunguntagore8912]

It was a Splendid session thankyou mam😃😃

[@kavitabadgurjar5659]

4

[@shabeenashaa2746]

I am seeing this video in morning Before exam 😂

[@digvijayrawat597]

Thanks Mam..This Chapter is in my annual syllabus and I was waiting for this video..Thanks A lot again

[@byjus-class-678]

Most welcome 😊

[@thinkingworldatoz7062]

Hi mam

[@thinkingworldatoz7062]

Am Priyanka.C

[@srinithivijay8511]

SUCH A HELPFUL VIDEO !!!!!!!! THANK YOU SO MUCH MA'AM

[@meghagupta6434]

Thanks ma'am, Mam your teaching is very nice

[@kalanirmala8848]

Love you ma'am for good explanation 💕

[@prathvipatel2121]

# the best biology teacher . Thankyou mam for teaching.😊

[@itz_bhawu]

This vid is very useful for me i love byjus coz it's explain very well with animations ❤ and tomorrow there is my science exam and i know nothing of this chapter before this video 🎥 thanks a lot to all byjus teachers 👩‍🏫‍

[@coolgamer3560]

I think you will not love all coach you only love the ____________ fill in the blank guys😂

[@death4less490]

​@@coolgamer3560HMM what can it beeee?

[@sethetic-_-Nikki]

❤❤Ma'am your voice gives me energetic vibes thankyou for that ❤❤

[@AnsudevBiswal]

Thank you mam... And to byju's team.✌because this chapter is in my half yearly syllabus.. ✌

[@64artsbyriddhiandsiddhi]

06:25 ma'am here embryo is a ball of cells this is a foetus where we can recognise the basic body parts of the baby

[@harshavardhans3102]

The basic body parts start appearing after 5 weeks of the embryo stage. First the circulator system, ears, and heart will be formed

[@vidhyavishwanath1299]

❤

[@manjushnimje9374]

Metro gland and mix gland can you make a different video for this 2

[@Priya_sharma49]

Mam your explanation was brilliant thanks😊

[@Muhammed_47363]

Thank you Maam for a amazing class

[@sandhyaanand6069]

it is helpful thanku mam.....😇

[@BHARAT__SINGH__TOMAR]

Nice explaination! You are a good teacher

[@archnapandey5485]

Thank you so much ma’am for this wonderful and informative session! 😌😊😁

[@sigma_lover_0]

What is your name

[@Samarthkn811]

Why you want to date?

[@heavengang5434]

😂😂​@@Samarthkn811

[@kalakrishna8754]

Mam goy adee the best teacher to all

[@aryasharma1508]

Thanks mam.. you are a best teacher

[@mamathakn-rs5cm]

Very nice explainition , you helped me for my science exam, thank you so much mam

[@GAMERBOY-tn9so]

Thank you mam😃

[@riyaandvishushow...108]

Mam you are the best mentor for science ❤ I also recommend byjus to my fellow classmates and friends Regards😊😊😊

[@Priyanshu0_1111]

Mam this video is very greater ❤❤

[@PremaSri-ip8hu]

very usefull session thank u so much mam!!!☺☺

[@zidhanruba]

🎉🎉🎉🎉🎉🎉🎉😂😂😂😂😂😂ll 1:09:16

[@rishavjigaming5711]

Thanks mam to make this video for grow knowledge

[@superduper5000]

best teachers

[@spandanagudigeri1637]

Hello mam thank you for this wonderful session but it was too long and I can't focaus for longer time thank you !!!🤗😊😊😊

[@kalakrishna3894]

❤

[@user-je2ni7fp5i]

Very Well Done Video By BYJUS👍

[@Samarthkn811]

Thank you mam!

[@V_eLf..vxh007]

Nice and clear..... But normally bolenge toh Sunaai de Dega....maam... Ears are going to be damaged if you will use earphones or headsets

[@acousticb.k1702]

I love your teaching method

[@pratiksha4856]

Fabulous 🦋

[@saumyathomas2480]

thank u so much miss . u explain so good better then my teacher.

[@rajanasingh9867]

AAP jitna acha English bolti hai so nice😊

[@rinkijain8689]

Very important chapter

[@ssaminathan9191]

Hear what is saing mam on 50:16 to 50:42 GOOD WORDS❤❤❤😊😊😊

[@sandhyaanand6069]

☺

[@user-xw5ie5eq4v]

Thank you mam You explained very well

[@Zuha_mushtaq]

Hard work pays off

[@shahmimakhter4338]

Good evening Mam 🙏

[@SafalPro-du6pw]

Thank you so much

[@MindMeld27]

👍🏻

[@HimaBindu-lp9xo]

Thank you mam ❤❤

[@ajayshankar8040]

Tquuu❤

[@andamanhacker5063]

Excellently namaste 🙏

[@neelampandey8284]

Mam you are the best❤❤

[@sonuvr2904]

Mam what happened if there is no mensuretion

[@kukugurung4773]

I guess the female will not be able to reproduce (I don't know exactly I am just guessing it)

[@NamrataTewari]

Then you will die fr !

[@rehenakhatun9316]

Thanks ma'am

[@croco689]

54:51

[@Fab_DIY14]

Seriously bro !!😑😑😑😑

[@guggillahemasai4177]

What is fertilisation

[@user-do8mi6vl7c]

Thanks❤

[@adityashriyanslokicraft8264]

very great explanation mam

[@WaniasrarRaju]

Well explained 👍thanku mam❤😊

[@ksalomi7699]

Hi mam am actually new to this BYJUS classes 😊

[@kabee2583]

Super mam 👍🎉

[@sahilsheikhsaheb2766]

I was waiting for this vedio because annual exam is coming .now I understand

[@funwithparinitha9111]

Best bio teacher

[@borunchongroju7273]

Hi Tara name

[@ManjulaL-qk4ku]

Thankyou

[@roshimaputhiyapurayil7093]

👍

[@tanishyadav4091]

Nice efforts

[@snagendra7663]

Good session

[@pragyaagarwal2895]

Mam you are best my exam are coming and i need recap thanks a lot❤❤❤😊😊

[@Gangasharhkgagan]

Love you❤ mam good explanination

[@blink.728]

Than you mam I learned this chapter from you and I got 25/25 in class test of these chapter

[@NamrataTewari]

Broo... You have to see lectures to just pass a test?..

[@user-tb9sy3lm3g]

mam you have not done crash course in this chapter before 11 months

[@user-kb5mt3pp7g]

Nice understanding lesson good explanation thanks ma'am 😊😊😊

[@user-kb5mt3pp7g]

😊😊😊😊😊😊

[@aliyaagarwal9025]

Thank you so much mam

[@sarmishtam4812]

She is shouting because she is energetic and that is really good

[@aniketkohli6691]

👍👍👍

[@akgamimg8182]

Mam what about depression

[@NamrataTewari]

It is to be handled by us..

[@user-pu9hm1vz7x]

🎉🎉nice explanation...

[@latha6950]

Super mam

[@Kanishka.B]

Just love the handwriting

[@Kanishka.B]

Like too much!

[@proiii899]

❤❤

[@SowbhagyaPrakash-zf6ws]

Mam u r the good explanation of bio

[@swethaswetha2726]

Thank you mam

[@kalapeter6680]

Thank you mam I clear but what questions will come for tomorrow test

[@shreyatiwari5166]

Ma'am what is difference between acne and sabaceous gland

[@NamrataTewari]

Bro they both are so much different!..Acne is a disorder of the hair follicles and oil glands (sebaceous glands).

[@AbhinavKumar-sz4ez]

👍👍👍👍

[@lakshmishanmugam2925]

Thank u mam

[@user-qw6ok7jv3o]

Mam what if mensuration doesn't happen in female body?

[@peterparker4745]

Yes

[@saratkumarsahoo2255]

Mam what is the perfect definition of adolescence Edit:- and also the definition of puberty

[@GinibashLooters]

The time period between puberty and adulthood is called adolescence.

[@gokultkv9853]

A period of life in body undergoes drastic changes is called adolescent

[@heavengang5434]

Google

[@user-bj4dz5kc9x]

I don't understand the puberty

[@ManjulaL-qk4ku]

I am seeing this lessin from yestarday🤭🤣

[@avinashpawar8106]

Yes mam

[@kn_entertainments47]

Students know better about male and female reproductive organs 😂😂

[@srishtiartandcraft00909]

👏

[@neelampandey8284]

thanks mam🎉

[@ashavaishnav1958]

I also seeing this video because tomorrow was my annual exam 😅😅

[@user-vz4sz1du4x]

Hi ma'am!!

[@jyothijyothiraju6007]

❤❤😊

[@fakeid6055]

24:03

[@nehabhawsar1404]

🎉🎉

[@rishavgupta6771]

yes

[@dipaligawande61]

21:43

[@user-wx8ie4ge9v]

Mam how twinc formed

[@dhermendersingh6318]

👏👏👏👏👏