| A | B |
| sperm | male reproductive cell |
| testicle | male sex organ where sperm are produced |
| epididymis | "storehouse" for the sperm |
| vas deferens | tube that carries sperm from epididymis to the urethra |
| urethra | tube that carries urine or semen through the penis, but never at the same time |
| seminal vesicles | butterfly-wing shaped gland that produces seminal fluid |
| prostate gland | gland that produces WHITE seminal fluid |
| cowpers gland | 2 tiny pea-sized glands that produce seminal fluid |
| semen | nutrient-rich fluid carrying sperm |
| penis | male reproductive organ |
| scrotum | sac of skin that hold testicle and regulates temperature |
| rectum | the part of the large intestine that stores solid waste |
| anus | muscular opening at the end of the rectum where solid waste leaves the body |
| erection | when the penis is filled with urine or semen |
| ejaculation | the release of semen out of the penis |
| foreskin | fold of skin that covers the end of the penis |
| circumcision | surgically removing all or part of the foreskin for religios or cultural reasons |
| nocturnal emmision | when semen is released during sleep |
| glans | the tip of the penis |