Biology I Final
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11 terms
Terms | Definitions |
|---|---|
 Pharynx | throat |
| Epiglottis | flap that covers trachea so food does not enter respiratory system |
| Enzyme amylase | enzyme in saliva that breaks down the polysaccharides into disaccharides |
| Esophagus | bolus is swallowed and moves down using peristaltic motion |
| Stomach | churns bolus into chyme; releases pepsin which begins chemical breakdown of proteins |
| Duodenum | where most of chemical digestion occurs |
| Jejunum | where most of nutrients from digestion is absorbed into the blood through villi |
| Ileum | where water and electrolytes are absorbed through villi |
| Liver | produces bile which takes a large fat molecule and breaks it down into a smaller molecule |
| Gallbladder | where bile is stored |
| Pancreas | releases many digestive enzymes to chemically breakdown macromolecules into simpler molecules |
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