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

submitted by eduvideos on 01/28/14 1

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? Like CrashCourse: www.facebook.com/YouTubeCrashCourse Follow CrashCourse: www.twitter.com/TheCrashCourse 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 www.sciencemag.org/content/281/5385/1979 www.medicinenet.com/miscarriage/article.htm www.ncbi.nlm.nih.gov/pmc/articles/PMC1559814/) Campbell Biology, 9th ed. crash course, crashcourse, biology, science, reproductive system, reproduction, asexual, sexual, eukaryote, genome, offspring, sex cell, sex, animal, gamete, ovum, egg, ovule, sperm, hermaphrodite, genitals, male, female, behavior, production, storage, delivery, courtship, fertilize, gonads, organ, sex determining chromosome, nipple, estrogen, testosterone, puberty, secondary sex characteristics, breasts, human, ovary, fallopian tube, menstrual cycle, ovulation, uterus, cervix, vagina, testes, penis, erection, coitus, semen, emission, ejaculation, vas deferens, prostate gland Support CrashCourse on Subbable: subbable.com/crashcourse

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