| A | B |
|---|
| detoxification | Conversion of toxic substances, such as alcohol, to less toxic substances. |
| excretion | The removal of metabolic waste from the body. |
| urea | An excretory product formed from the breakdown of excess amino acids. |
| nephron | the functional unit of a kidney |
| kidney | the organ that filters blood |
| ureter | carries substances from the kidneys to bladder |
| bladder | stores urine |
| urethra | carries urine out of the body |
