GCSE Biology - The Menstrual Cycle & Puberty #60

Hormones do many things in the body, two very important roles are controlling puberty and the menstrual cycle. Learn how these work and which hormones are involved.

The next two related videos will be on:
1 - Contraception
2 - Increasing fertility with hormones i.e. in vitro fertilisation

[Cognitoedu]

If you’d like to practise the material covered in this video, check out our platform at www.cognitoedu.org - it's totally free, and has been built to make learning and revision easy as possible. The main features are:
- Lessons organised by topic, only the lessons relevant to your specific exam board and tier are shown.
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- Practise quizzes so you can test your knowledge. You can quiz yourself on any combination of topics you like.
- A huge number of fully-hinted questions that take you step-by-step through some of the trickiest calculations & concepts.
- A comprehensive bank of past exam papers, organised both by year, and also by topic.

Amadeus & Tom

[emmaadewole]

Good luck with your exams everyone ;)

[lizsmith]

I teach biology to non native English students. Your clear, measured language an diagrams help them.

[Matt-xhwq]

Video-Quiz:
1. Where are testosterone and oestrogen produced in men and women?
2. What happens with fertilised eggs vs unfertilised eggs?
3. How long is the menstrual cycle?
4. What happens during menstruation and how long is it?
5. What happens in stage 2 and how long is it?
6. When is ovulation and what is it?
7. What is stage 4 and how long is it?
8. When can the menstrual cycle stop?
9. What are the four main hormones of the menstrual cycle and what do they do?
10. Where are FSH and LH produced?
11. What is the relationship between FSH, oestrogen and LH?
12. What does progesterone do?

[mostafamansour]

I swear everybody I know tried to make me understand this but no one could you only took 6 minutes and I memorise every word and understand it too.
Thank cognito thank you very much!

[straightupsubstrate]

Bro explained everything my teacher struggled to teach for a whole week in a time period of 6 minutes. That, indeed, is an absolutely astonishing feat.

[nehabandlamudi]

Thank you for this video. I loved it.
The textbook is so complicated, the video was much easier to understand.
I understood the concept very well.
I am pretty sure that you will become popular very quickly.

[bluestheticxx]

this is the best revision guide i have ever seen yk absolutely amazing

[NomNom]

It took us guys one months of one hour classes twice a week to finish this chapter in class! But, i don't believe what superpower this guy has that he finishes these topics in 5 minutes!

[Mohammed-hjby]

You are growing very fast. By the time it is May you will be on 50K subs.

[karanc]

amazing video, so informational. Maybe you could specify, in future videos, which information is necessary for each board. For example some things may not be needed for edexcel but for aqa. But still very good :)

[johngalvan]

omg ty this so useful all other videos were either confusing or just straight up worng

[Phkyo]

Need an i love cognition shirt rn ! So good

[kngwaffler]

Thank You very understandable and easy to follow vid I found menstruation the hardest when learning

[gomatheeshwarm]

Why hasn't this channel blew up yet?

[morgansaunders]

i have GCSE's tomorrow and this really helps my confidence so thankyou

[dr.theory]

I did great in the theory paper . I will have multi choice tomorrow . Thx for everything

[porkfgr]

i was not able to understand anything in class and felt like i was gonna fail, but then now i have hope that i will do good and make my parents proud 😭😭 thankyou so much 🥲🥲

[thecharlotteplays]

You got something rong in video the bleeding normal stays for 5 days not 4 depending on body

[LHCL-cxrj]

The video is really helpful like no joke but I love the drawing of the egg so much 😂is so cute lmao I can’t