| A | B |
| Oral Cavity | mouth |
| Tongue | moves food around and pushes to back of throat |
| Pharynx | throat-food enters as a bolus |
| Esophagus | food tube to stomach |
| Stomach | food storage, churns and mixes food |
| Small Intestine | chemical digestion takes place here, absorbs nutrients |
| Large Intestine | colon-forms feces and helps to eliminate wastes |
| Rectum | stores and releases wastes |
| Anus | stores and releases wastes |
| Salivary Glands | produce saliva |
| Liver | breaks down RBCs, produces bile and releases to gallbladder |
| Gallbladder | stores bile and releases into common bile duct |
| Pancreas | secretes pancreatic juices into the first part of the small intestine |
| Appendix | vestigial organ, SI and LI join |
| Villi | located in small intestine |