This lesson is divided into two sections, the female and the male reproductive systems.
Understanding these two systems is the basis for understanding pregnancy itself.
Section I. The Female Reproductive system
1-4. External Female Genitalia
1-6. Facts about the Menstrual Cycle
Section II. The Male Reproductive System
1-10. Male Reproductive Organs
1-11. Spermatogenesis (Sperm Formation)