Содержание
- 2. Digestion Phases Include Ingestion Movement Mechanical and Chemical Digestion Absorption Elimination
- 3. Digestion Types Mechanical (physical) Chew Tear Grind Mash Mix Chemical Enzymatic reactions to improve digestion of
- 4. Digestive System Organization Gastrointestinal (Gl) tract Tube within a tube Direct link/path between organs Structures Mouth
- 5. Mouth Teeth mechanically break down food into small pieces. Tongue mixes food with saliva (contains amylase,
- 6. Esophagus Approximately 20 cm long. Functions include: Secrete mucus Moves food from the throat to the
- 7. Stomach J-shaped muscular bag that stores the food you eat, breaks it down into tiny pieces.
- 8. Small Intestine Small intestines are roughly 7 meters long Lining of intestine walls has finger-like projections
- 9. Small Intestine Nutrients from the food pass into the bloodstream through the small intestine walls. Absorbs:
- 10. Large Intestine About 1.5 meters long Accepts what small intestines don’t absorb Rectum (short term storage
- 11. Large Intestine Functions Bacterial digestion Ferment carbohydrates Absorbs more water Concentrate wastes
- 12. Accessory Organs The Glands Not part of the path of food, but play a critical role.
- 13. Liver Directly affects digestion by producing bile Bile helps digest fat filters out toxins and waste
- 14. Gall Bladder Stores bile from the liver, releases it into the small intestine. Fatty diets can
- 15. Pancreas Produces digestive enzymes to digest fats, carbohydrates and proteins Regulates blood sugar by producing insulin
- 16. On a sheet of paper, write the name of each colored organ: Green: Red: Pink: Brown:
- 17. How’d you do? Green: Esophagus Red: Stomach Pink: Small Intestine Brown: Large Intestine Purple: Liver Green:
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