This presentation is on chapter 8.

1. Chapter 8
Vanessa Hamilton

2. The Colon
• THE COLON IS ABOUT 5 FEET LONG AND EXTENDS FROM THE LEOCECAL
VALVE OF THE SMALL INTESTINES TO THE ANUS.
• It functions are to reabsorb the fluid in the digested food.

3. The Gallbladder
• It is a small organ located just under the lover.
• It’s functions to store the bile produced by the
liver.
• It releases bile into the duodenum through
the common bile duct.

4. The Pancreas
• An organ in the digestive system that
produces digestive enzymes.
• A gland in the endocrine system that produces
two hormones, insulin and glucagon.

5. The Stomach
• A j-shaped muscular organ that acts as a sac to
collect, churn, digest, and store food.
• It us composed of three parts. Fundus,body and
the antrum.
• Hydrochloric acid is secreted by glands in the
mucous membrane lining of the stomach.
• Food mixes with other gastric juices and the
hydrochloric acid forms a semisoft mixture called
chyme, which then passes into the duodenum.

6. Salivary Glands
• Exocrine glands with ducts that open into the
mouth.
• They produce saliva, which makes the bolus of
food easier to swallow and begins the
digestive process.
• There are three pairs of salivary glands:
Parotoid, submandibular, and sublingual.

7. The Liver
• A large organ located un the right upper
quadrant of the abdomen.
• It serves many functions in the body.
• Its digestive system role includes producing
bile, processing the absorbed nutrients, and
detoxifying harmful substances.

8. Review
• What is the colon?
• What is the gallbladder?
• What does the pancreas do?
• What occurs in the stomach?
• What are salivary glands?
• Where is the liver located?