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Crash Course Anatomy & Physiology - Season 1 Episode 42
After weeks of discussion of human reproduction, today we arrive at the main event: THE SEX. Hank explains the four phases of the human sexual response, how a sperm finds and fertilizes an egg, creating a zygote, and how different types of contraception work to prevent that from happening.
- Seánra: Documentary
- Stiúideo: YouTube
- Eochairfhocal: anatomy, physiology
- Caitheadh: Hank Green