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Watch Crash Course Anatomy & Physiology Season 1 Episode 41 Online

  • 2/10
  • COUNTRIES: United States of America
  • Subtitles: English

Our month-long exploration of human reproduction continues with a look at testicular anatomy, the steps of sperm production, and how it’s influenced by gonadotropin and testosterone. Hank also explains how sperm mature, and how they leave the body on a tide of glandular secretions during ejaculation.