| A | B |
| dentin | the bulk of a tooth beneath the enamel |
| primary teeth | deciduous teeth |
| secondary teeth | permanent teeth |
| palatine tonsils | tonsillitis |
| pharyngeal tonsil | adenoids |
| salivary glands | secrete amylase |
| incisors | front teeth |
| amylase | digest carbohydrates |
| parotid glands | largest salivary glands |
| esophagus | passageway between mouth and stomach |
| pyloric sphincter | valve that prevents the gegurgitation of food from the intestine back into the stomach |
| pepsin | digest proteins |
| chyme | food particles and gastric juice |
| liver | secretes bile |
| gall bladder | stores bile |
| right lobe | largest of the lobes of the liver |
| mesentery | holds the small intestine in place |
| bile | emulsifies fat |
| ileocecal valve | joins small and large intestine |
| sigmoid colon | s-shaped part of the colon |