| Term | Definition |
| purpose of digestive system | to get nutrients from food for energy and to build body |
| order of organs food passes through | mouth, pharynx, esophagus, stomach, small intestine, large intestine |
| small intestine | most digestion, absorption of food into blood |
| mouth | amylase digests starch to dissacharides. |
| stomach | digests proteins with enzyme pepsin |
| mechanical or physical | kind of digestion that breaks food into smaller pieces |
| chemical digestion | kind of digestion that breaks bonds of food molecules |
| liver | makes bile |
| gall bladder | stores bile |
| bile | physical digestion of fats |
| pancreas | makes digestive enzymes for the small intestine |
| villi | folds in small intestine that make larger area for food absorbtion |