| A | B |
|---|
| mouth | start of mechanical digestion |
| pharynx | the throat |
| esophagus | tube from the pharynx to the stomach |
| stomach | Large muscular sac at the end of the esophagus |
| peristalsis | rhythmic contractions that squeeze the food through the esophagus into the stomach |
| amylase | an enzyme in saliva that breaks down carbohydrates |
| peptic ulcer | a hole in the stomach lining caused by excessive stomach lining |
| chyme | mixture of stomach fluids and food produced in the stomach |
| pancreas | gland that produces hormones that regulate blood sugar and produces enzymes that aid in digestion |
| liver | the largest organ in the body, produces bile |
| bile | fluid produced by the liver, for the digestion of fats |
| gall bladder | the pouch like organ under the liver which stores bile |
| small intestine | where chemical digestion and absorption begins |
| Villi | folded projections from the small intestine for absorption of nutrients |
| microvilli | fingerlike projections over the surface of the villi usd to increase the surface area of the small intestine |
| pepsin | enzyme in the stomach that breaks down proteins |
| large intestine | primary job to remove water from the undigested material |
