Digestive System
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Created by:
BlueGreen16 on June 20, 2011
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8 terms
Terms | Definitions |
|---|---|
 Mechanical Digestion | Part of digestion that uses movement and muscles to break down food |
| Chemical Digestion | occurs when enzymes break down large molecules of food into smaller ones |
| Peristalsis | rhythmic muscular contractions that squeeze food through the esophagus into the stomach |
| Digestion of Food | 1. food gets chewed 2. Food goes into peristalsis down the esophagus 3. food is churned and broken down in the stomach 4. moves into small intestine, where all the nutrients are absorbed 5. moves into large intestine, where the water is absorbed 5. is excreted out of the body |
| Stomach | has mucus lined walls that protect it from being digested by the powerful enzymes |
| Villi | small finger-like projections which absorb all nutrients |
| Liver | makes bile which breaks down fats |
| Pancreas | Pancreatic juice which digests protein, fat and carbohydrates Insulin helps cells use sugar |
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