Male Reproduction System

1. What is the male gamete (sex cell)? Sperm

2. Humans pass certain characteristics of themselves to the next generation through their__________. Genes

3. Where do the genes come from? The father’s sperm and the mother’s egg.

4. What does the male genitals include? The testicles The duct system (epididymis and vas deferens) The accessory glands (seminal vesicles and prostate gland) The penis

5. What produces and stores millions of tiny sperm cells? The two testicles or testes

6. What hormone do the testicles produce? Testosterone

7. What does the hormone testosterone cause to happen in boys? Deeper voices Bigger muscles Body and facial hair Stimulation of the production of sperm

8. What is the vas deferens? Transports the sperm containing fluid called semen

9. What is the epididymis? A set of coiled tubes that connects to the vas deferens

10. What is the scrotum? A pouch that holds the testicles and regulates the temperature

11. What are the accessory glands? The seminal vesicles and the prostate gland

12. What is the urethra? The channel that carries the semen to the outside of the body through the penis Urine also passes through this same channel

13. What two parts is the penis made up of? The shaft and the glans

14. What is the foreskin? A fold of skin at the end of the penis covering the glans

15. What happens during a circumcision? The foreskin is cut away

16. Which gland secretes hormones that stimulate the testicles to produce testosterone? Pituitary gland

17. After a boy reaches puberty, how many sperm cells will be produce every day? Millions

19. How much sperm is ejaculated from the penis? 500 Million Sperm