1. Chapter 18 Male Reproductive System

2. Function of the Male Reproductive System To make sperm: the male sex cell To fertilize the egg cell: the female sex cell

3. Testes Make sperm 50,000 per minute Produce testosterone: main sex hormone of males

4. Scrotum Skin-covered sac that hangs from the body Lower temperature for sperm production; 1 degree cooler than body temperature

5. Penis Removes urine from the body Delivers sperm to the female vagina

6. Penis Changes Erection: blood vessels fill with blood Ejaculation: sperm released from the penis after arousal Wet Dream: also known as a nocturnal emission.

7. Epididymis Coiled tube where sperm mature and are stored It takes 2-10 days to mature

8. Vas Deferens Tubes the sperm pass through to get fluids added (SEMEN)

9. Prostate Cancer Early detection is key, delaying treatment can be deadly Primarily in older men Not common in men under age 45

10. Testicular Cancer Most common in ages 15–35 Genetic link Pass out Self Examination handoutSelf Examination handout

11. 5 Ways to Keep Healthy Wear appropriate protective gear “CUP” when playing sports Avoid wearing tight clothing (sperm production) Wash every day, and dry carefully Perform a monthly testicular self exam Have an annual checkup