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Video Source: www.youtube.com/watch?v=_7rsH2loIY8
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
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