| A | B |
| ptyalin | enzyme in saliva |
| pepsin | secreted by the stomach |
| villi | projections in the intestines to increase absorption |
| peristalsis | contractions of the digestive tract to move food along |
| bile | released by the gall bladder to help digestion in the sm. intestines |
| mouth | 1st step of the digestive process |
| teeth | physical digestion in the mouth |
| saliva | chemical digestion in the mouth |
| esophagus | carries food to the stomach |
| stomach | both physical & chemical digestion continue here |
| small intestines | absorption of nutrients |
| large intestines | absoprtion of water |
| epiglottis | flap of tissue that covers the windpipe during swallowing of food |
| enzymes | grouping of chemicals that help to break down foods |
| carbohydrates | digested in the mouth |
| proteins | digested in the stomach |
| fats | digested in the small intestines |