Digestive System
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13 terms
Terms | Definitions |
|---|---|
 Digestive System | body system the breaks down food and absorbs nutrients |
| Mouth | Breakdown carbs into smaller molecules (chemical digestion) |
| Epiglottis | The flap of tissue that seals off the windpipe and prevents food from entering. |
| Stomach | Breaks down proteins into large peptides |
| Small Intestine | Responsible for absorption of nutrients, most of chemical digestion occurs here |
| Esophagus | muscular tube that moves food from the pharynx to the stomach |
| Pancreas | gland that produces hormones that regulate blood sugar; produces enzymes that break down carbohydrates, proteins, lipids, and nucleic acids; and produces sodium bicarbonate, a base that neutralizes stomach acid |
| Liver | organ that makes bile to break down fats; also filters poisons and drugs out of the blood |
| Rectum | the lower part of the large intestine where feces are stored |
| Large Intestine/Colon | water is absorbed from food and the remaining material is eliminated from the body |
| Digestive Tract | mouth, esophagus, stomach, small and large intestine, rectum |
| Peristalsis | wavelike contraction of the walls of the intestines, which propels contents onward |
| Villi | finger-like projections that increase the surface area and increase absorption |
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