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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.
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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