| A | B |
| testicles | male sex glands that produce sperm |
| scrotum | outer sac which holds testicles to keep body temperature lower than that of the body |
| *vas deferens | long tube which carries sperm to urethra |
| *seminal vesticles and prostate gland | add liquid to sperm to make semen |
| gonorrhea, syphilis | sexually-transmitted bacterial diseases |
| genital herpes | sexually-transmitted virus which causes blisters |
| crabs | lice which infest pubic hair |
| AIDS | caused by HIV which destroys immune system |
| *urologist | specialist in urinary and male reproductive systems |
| semen analysis | test of sperm count |
| vascectomy | surgical cut of vac deferens tube which sterilizes the man |