| A | B |
|---|
| Esophagus | The passageway for food to get from the pharynx to the stomach |
| Stomach | Hallow, muscular holding pouch for food. There is 3 regions of the stomach |
| Esophageal (cardiac) Sphincter | A circle of muscle tissue, surrounds the place where the esophagus enters the stomach and keeps the food from coming back up. |
| Pyloric Sphincter | A circle muscle tissue, surrounds the place where the stomach empties into the small intestine. This helps prevent food from going back to the stomach after already entering the small intestine. |
| Rugae | Folds on the inside of the stomach. When it gets full it stretches out. |
| Salivary Glands | They're located near the mouth. They produce and create saliva, a substance that helps break down the food. |
| Liver | A large organ located underneath the diaphragm. The liver also produces and secrets bile into the duodenum. |
| Bile | A substances that helps with digestion of fats. |
| Gallbladder | A small pouch that is attached to the liver, stores bile produced by the liver that is not secreted directly into the duodenum. |
| Pancreas | Located behind the stomach, in the curve of the duodenum. This produces a substance that aids in digestion. The pancreas also produces insulin. |
| Mastication | Another word for chewing |
| Mechanical digestion | The physical breaking up of food |
| Enzymes | Substances that have the ability to break down chemical bonds |
| Chemical digestion | The process of breaking down food through the use of chemical substances such as enzymes. |
| Villi | The mucosa of the small intestine has millions of tiny finger-like structures. |
| Hernia | Occurs when internal organ bulges through a weakness in the muscular wall of the abdominal cavity. |
| Barium | A liquid substance that coats the mucosa of the digestive tract and makes the organs appear on an X-ray. |
