| A | B |
|---|
| testes | the male organs that produce sperm and the hormone testosterone |
| the function of the male reproductive system | to produce sperm cells and deliver them to the female reproductive system |
| scrotum | sac in which the testes are contained |
| where testes are in the fetus | pelvic cavity, then just before birth move down into scrotum |
| seminiferous tublues | tightly coiled structures that each testis is made of |
| what happens in the tubules? | special diploid cells undergo meiosis to produce haploid sperm |
| what happens to the developing sperm after meiosis? | forms a long, powerful flagellum, nucleus becomes longer, forming head, a tightly packed mitochondria forms between head and tail, and cell loses most cytoplasm |
| epididymis | coiled tube in which mature sperm are stored |
| penis | the male organ that delivers sperm during intercourse |
| what forces the penis to become erect? | the tissues in the penis fill with blood |
| ejaculation | the process through which sperm are releases. sperm tracel from the epididymis throug the vas deferens to the uretha in the penis nerve impulses cause contractions, and semen is forced out of the penis |
| semen | sperm and the fluids made by several glands, and fructose |
