| A | B |
| Copulation | Unite in sexual intercourse |
| Ejaculation | Eject fluids from penis |
| Castration | Removal of Testicles |
| Monorchid | 1 testicle desends, the other remains in the body |
| Cryptorchid | both testicles stay in the body |
| Ovariectomy | Surgical removal of the ovaries |
| Vasectomy | Cutting of the vas deferens to prevent sperm in seminal fluid |
| Sperm | Male reproductive cells |
| Semen | Sperm and seminal fluid |
| Hormone | Chemical agent synthesized in the body |
| Scrotum | External sac that holds testicles |
| Epididymis | collects mature sperm prior to ejaculation |
| Vas Deferens | Slender tube from epididymis which moves sperm to urethra |
| Bladder | Urine Storage |
| Urethra | Tube from bladder to penis |
| Penis retractor muscle | allows extension and retraction of the penis |
| Penis | Male copulatory organ |
| Ovary | produces female gametes |
| Infundibulum | flared portion of fallopian tube that catches the egg |
| Fallopian Tubes | tubes that connect the ovaries and the uterus |
| Eterine Horn | anterior divided end of the uterus |
| Uterus | muscular sac connecting the fallopian tubes tothe cervix |
| Cervix | between uterus and vagina that opens during estrus |
| Vagina | Female organ of copulation |
| Urethra | Opening of bladder to vagina |
| Vulva | external female genitalia |
| Clitoris | stimulating organ |