| A | B |
|---|
| Homeostasis | internal stability |
| Epiglottis | flap of cartilage in the back of the pharynx |
| Ulcer | lesion in the wall of the stomach |
| Fats | nutrient first digested in the small intestine |
| Proteins | nutrient first digested in the stomach |
| Carbohydrate | nutrient first digested in the mouth |
| Bile | substance produced in the liver; stored in the gallbladder |
| Large Intestine | also known as colon |
| Gallbladder | located next to liver |
| Villi | fingerlike projections in the small intestine |
| Small intestine | organ that completes all digestion |
| Liver | stores glycogen |
| Pyloric sphincter | controls the movement of food out of the stomach |
| Pepsin | digestive enzyme that hydrolyzes protein |
| Peristalsis | rhymthmic waves of contraction used to push food along the digestive tract |
| Typhlosole | large fold in the upper surface of the earthworm intestine |
| Crop | temporary storage organ in birds and earthworms |
| Gizzard | thick muscular organ in birds that breaks down food mechanically |
