| Term | Definition |
| small intestine | the part of the digestive system where most of the chemical digestion takes place |
| liver | largest and heaviest organ inside your body; brakes down medicines and other substances and it helps eleminate nitrogen from the body |
| bile | a substance that breaks up fat particles |
| gallbladder | the organ the stores bile |
| pancreas | produces enzymes that flows into the small intestine |
| villi | absorb nutrient molecules |
| large intestine | contains bacteria that feeds on the material passing through |
| rectum | here waste material is compressed into a solid |
| anus | a muscular opening at the end of the rectum |