The Reproductive System: How Gonads Go - CrashCourse Biology #34

2012-09-17

[public] 956K views, 8.92K likes, 171 dislikes audio only

Hank lets us in on the meaning of life, at least from a biological perspective - it's reproduction, which answers the essential question of all organisms: how do I make more of myself? So, sex, how does it work?

Table of Contents

1) Gametes: Ova and Sperm 2:27

2) Sex Determination 4:59

3) Secondary Sexual Characteristics 6:48

4) Female Reproductive Structures 7:25

a) Uterus & Oviducts 7:40

b) Endometrium (Menstruation) 7:57

c) Cervix & Vagina 8:32

5) Male Reproductive Structures 8:45

a) Scrotum, Sminferous Tubules & Epididymas 8:59

b) Penis 9:37

c) Vas Deferens to Eurethra (Emission) 10:13

References

http://www.sciencemag.org/content/281/5385/1979

http://www.medicinenet.com/miscarriage/article.htm

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1559814/)

Campbell Biology, 9th ed.

Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse

Want to find Crash Course elsewhere on the internet?

Facebook - http://www.facebook.com/YouTubeCrashCourse

Twitter - http://www.twitter.com/TheCrashCourse

Instagram - https://www.instagram.com/thecrashcourse/

CC Kids: http://www.youtube.com/crashcoursekids