Reproductive Systems

Seminal vesicles Bladder Vas deferens penis urethra Testicles (or testes) scrotum Prostate gland Cowper’s gland anus epididymis

ovary Fallopian tubes bladder clitoris urethra labia anus vagina cervix uterus

menstrual cycle

Terms to Know Menstrual Cycle –A monthly series of hormone controlled changes that prepare the uterine lining for pregnancy Menstruation –Breakdown and discharge of the uterine lining out of the vagina Ovulation –Release of an egg from a follicle in the ovary

Hormones Follicle Stimulating Hormone (FSH) & Luteinizing Hormone (LH) –The hormones that cause the maturation and release of an egg Estrogen –Levels increase to cause uterine lining to thicken. Lining nourishes and supports the growing human during pregnancy Progesterone –Further thicken and maintain uterine lining following ovulation

Male Reproductive System

Terms to Know Testosterone –Male hormone that influences sperm production Ejaculation –When sperm is released from the penis

Seminal Fluid GlandApproximate %Description Testes2-5%Approx mill. Sperm Seminal Vesicle65-75%Releases fluids that provides nourishment and protection Prostate25-30%Releases fluids that provides protection Bulb urethral Gland (Cowper’s Gland) <1%Releases fluids that increase the mobility Contributes to the cohesive jelly-like texture of semen