| A | B |
| egest | to discharge or release from the body |
| bladder | storage for urine |
| secretions | created by the process of secreting a substance, especially one that is not a waste, from the blood or cells |
| filtration | the process of filtering |
| urethra | tube that carries urine out of the body |
| absorption | the taking in of something, such as a gas, a liquid, light, or heat |
| disorder | an ailment that affects the function of mind or body; eating disorders and substance abuse |
| renal artery | brings blood to the kidneys |
| renal veins | carries blood away from the kidney |
| ureter | tube that carries urine to the bladder |
| kidney | remove nitrogen waste from the blood and from urine |
| nephron | excretory unit of the kidney |
| skin | releases wastes and salts to maintain homeostasis |
| lungs | organs of gas exchange (inhalation and exhalation) |