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doug-alh122-chapter3
Doug, ALH 122, Chapter 3 study guide
| Question | Answer |
|---|---|
| Absorption | Process by which digested food nutrients move through villi of the small intestine into the blood |
| Pyrosis | Heartburn |
| Amylase | Digestive enzime from the pancreas It breaks down carbohydrates and starch in the duodenum into simple sugars and food fibers. |
| Bile | fluid produced by the liver and stored in the gall bladder. It is released into the duodenum to digest the fat in foods. |
| Gall Bladder | Stores and concentrates bile. |
| Chyme | Mixed food and digestive enzymes in the stomach and small intestine. |
| Villi | Microscopic projections of mucosa within the lumen of the small intestine. Where nutrients are absorbed into the blood. |
| Rugae | Deep folds in the gastric mucosa that expand or contract to accomodate varying amounts of food. |
| Peristalsis | Contractions of the smooth muscle of the gastrointestinal tract that propel food through it. |
| Nausea | Queasy feeling. |
| Anorexia | Loss of appetite. |
| Stomach | pouch that prepares food for absorption by churning and secreting hydrochloric acid and pepsin. |
| Mastication | Process which includes tearing, crushing and grinding of food. |
| Palate | The hard bone and soft, fleshy area that form the roof of the mouth. |
| Elimination | Process by which undigested food fibers and water are eliminated from the body. |
| Liver | Produces bile. |
| Small Intestine | Organ of absorption between the stomach and large intestine. The duodenum, jejunum and ileum are the three parts of the small intestine. |
| Digestion | Process of mechanically and chemically breaking down food into nutrients that can be used by the body. |
| Pharynx | Throat |
| Flatulence | Passing of gas. |