1. The Digestive System
Medical ppt

2. Mouth Mechanical digestion - teeth Chemical digestion – saliva
11 cm long

3. Esophagus
Muscular tube
Peristalsis
About 25 cm long

4. Stomach
Strong muscles
Digestive juices
Chyme
About 22 cm long

5. Small Intestine Most digestion occurs here
Molecules pass out through villi into blood
About 690 cm long

6. Pancreas Accessory organ Food does not go through the pancreas
Produces chemicals to help break down macromolecules

7. Liver
Accessory organ
Has many jobs
Produces bile to help digest fat

8. Gall Bladder
Accessory organ
Stores bile
Helps digest fat

9. Large Intestine (Colon)
Absorbs extra nutrients & water
Forms wastes into solid feces
About 152 cm long

10. Rectum
Stores wastes
About 14 cm long

11. Anus Muscle that controls when wastes leaves the body Medical ppt