YouTube doesn't want you know this subscribers secret
Get Free YouTube Subscribers, Views and Likes

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

Follow
CrashCourse

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...
http://www.medicinenet.com/miscarriag...
http://www.ncbi.nlm.nih.gov/pmc/artic...)
Campbell Biology, 9th ed.

Crash Course is on Patreon! You can support us directly by signing up at   / crashcourse  

Want to find Crash Course elsewhere on the internet?
Facebook   / youtubecrashcourse  
Twitter   / thecrashcourse  
Instagram   / thecrashcourse  

CC Kids:    / crashcoursekids  

posted by 2gos1tor8