| A | B |
| urinary system | organ system which contains the organs which remove wastes from your blood |
| kidneys | a pair of organs that constantly clean the blood |
| nephrons | microscopic filters in the kidney which remove wastes from the blood |
| urine | liquid waste which is stored in the bladder |
| urethra | tiny tube through which urine leaves the body |
| antidiuretic hormone (ADH) | hormone which signals the kidneys to take water from the nephrons; the kidneys then make less urine |
| diuretic | a substance which causes the kidneys to make more urine; found in caffeinated beverages |
| ureters | tiny tubes which transport urine from the kidneys to the urinary bladder |
| urinary bladder | sac which stores urine until it is ready to be released by the body |
| artery | blood vessel through which unfiltered blood enters the kidney |
| vein | blood vessel through which filtered blood leaves the kidney |