| A | B |
|---|
| Excretory System | collecting and removing waste produced by cells |
| kidneys | filters waste from blood |
| urea | major waste product produced when protein is broken down |
| nephron | found in the kidneys and filters out waste |
| ureter | tube that carries urine away from the kidney |
| urethra | tube where urine leaves the body |
| bladder | sac that stores the urine |
| urine | liquid that is left after the reabsorption process made up of water, urea, and other substances |
| Nephritis | disorder that causes inflammation, swelling of nephrons, most likely because of an infection |
| Kidney Stone | disorder with masses of pebblelike salt in urinary tract |
| Uremia | very serious disorder poisioning of the body caused by failure of the kidneys to remove waste |
| Kidney Dialysis | when the kidneys fail a machine is used to filter blood in place of the kidneys |
