| A | B |
| Oral Cavity | contains teeth & tongue & salivary glands |
| Pharynx | passageway for food & water and air |
| Esophagus | passageway for food and water |
| Cardiac sphincter | band of muscle that keeps stomach contents from backing into esopghagus |
| Pyloric sphincter | band of muscle that control emptying of stomach into small intestine |
| Heartburn | aka acid reflux is when stomach acid splashes back into esophagus |
| Peristalsis | muscle contraction which moves food along digestive tract |
| Stomach | secretes acid and enzymes for protein digestion |
| Small Intestine | has three regions |
| Duodenum | where majority of chemical digestions takes place |
| Ulcer | caused by bacterium helicobacter pylorus and treated with antibiotics |
| Large Intestine | aka colon & has 4 sections & vitamin production and water absorption |
| Rectum | storage of undigested material |
| Salivary Glands | contain enzymes for digestion of carbohydrates |
| Liver | creates bile |
| Pancreas | its exocrine function is to secrete digestive enzymes |
| Carbohydrate digestion | oral cavity and duodenum |
| Protein digestion | stomach and duodenum |
| Fat digestion | duodenum |
| Bile | breaks fat into smaller droplets for easier digestion |