The Reproductive Systems Discuss the Reproductive Systems. There are two main reproductive systems: the male reproductive system and the female reproductive system. The Reproductive Systems The Male Reproductive Systems The male reproductive system contains the external genitals (the penis, testes and the scrotum) and internal parts, including the prostate gland, vas deferens and urethra. The…

The Menstruation Cycle   The Menstruation Cycle. What is Menstruation Cycle. Menstruation can be defined as the monthly shedding of the lining of uterus that begins when women get their period or menstruate. The menstrual cycle is a complex, natural process that occurs in the female reproductive system. It involves a series of hormonal changes…