| A | B |
| Gall bladder | Stores bile |
| Emulsifies fats | Bile |
| Separates stomach from small intestine | Pyloric sphincter |
| Rough stomach lining that allows for expansion | Rugae |
| Acid here causes heartburn | Esophagus |
| Digests sugars | Amylase |
| Semi-liquid food in stomach | Chyme |
| First section of small intestine | Duodenum |
| Produces a large variety of digestive enzymes | Pancreas |
| A hole in the gastric wall | Ulcer |
| Muscle action of esophagus | Peristalsis |
| Structures that absorb nutrients | villi |
| Vitamin B and water absorbed here | Large intestine |
| Last region of small intestine | Ilium |
| digest protein in the stomach | Pepsin |
| Stores feces | rectum |
| Secretes/Makes Bile | Liver |