1. 8-Digestive System

2. is a process by which food is absorbed.
2 - Digestion
is a process by which food is absorbed.

3. begins to prepare food for digestion.
3 - The mouth
begins to prepare food for digestion.

4. grind food into smaller substrates.
4 - Teeth
grind food into smaller substrates.

5. 5 - salivary glands
secretes saliva and begins digestion of the food using enzymes.

6. 6 - The pharynx and esophagus
allows passage of the food into the stomach.

7. 7 - The stomach
uses gastric juices and absorbs a small amount of the food. Then, the food goes to the small intestine.

8. 8 - The pancreas and the liver
release enzymes and bile respectively into the small intestine to aid in absorption.

9. 9 - The small intestine
is composed of the duodenum, jejunum, and ileum.
Then, substrates are passed into the large intestine, which has little digestive function.
Absorption of water and electrolytes does occur in the large intestine.

10. 10 - Peristalsis
is the wave like movement occurring in the digestive system that propels food downward.

11. 11 - The alimentary canal
is the path food travels from the mouth to the anus.
Feces are composed mostly of water and substrates and are not absorbed.

12. 12 - Key Terms Cholelithiasis [ko-lee-lith-I-a-sis] –
stones in the gallbladder
Diverticulitis - inflammation of the small pouches in the colon, if present
Hepatitis - inflammation of the liver
Somatitis - inflammation of the mouth
Dyspepsia - indigestion
Enteritis - inflammation of the intestine