| A | B |
| ptyalin | enzyme in saliva |
| pepsin | secreted by the stomach, breaks down protein |
| villi | projections in the intestines to increase absorption |
| peristalsis | contractions of the digestive tract to move food along |
| bile is made in | the liver |
| 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 |
| Protease | breaks down protein |
| amylase | breaks down starch |
| lapase | breaks down fats |
| rennin | breaks down milk proteins in babies |
| chyme | bolus of food entering the duodenum |
| Water is largely absorbed in | the large intestines |
| bile is stored in | the gallbladder |
| absorption of nutrients takes place in | The small intestines |
| To be absorbed fats are broken down to | fatty acids and glycerol |
| To be absorbed proteins must be broken down to | amino acids |
| to be absorbed carbohydrates must be broken down to | simple sugars |
| Excess glucose is stored in the form of | glycogen |