THE DIGESTIVE SYSTEM

By Prelly G. CummingsMedical Terminology

07-02-2009

The Organs of the Digestive System

Mouth Salivary Glands Esophagus Stomach Small Intestine Large Intestine Liver Gall Bladder Pancreas

The Mouth

Functions :

breaking food

sense of taste

swallowing

Saliva and the Salivary Glands

Functions:

moisten food and the mouth

clean the teeth, inhibit bacterial growth,

dissolve molecules so they can stimulate taste buds

digest a small amount of starch and fat

Esophagus

Function: Moves food from the throat to the stomach

Stomach

Functions:

Stores the food you eat, breaks it down into tiny pieces

Mixes food with digestive juices

Acid in the stomach kills bacteria

Small Intestine

Functions:

Insides are coated with little ‘fingers’ called cilia to increase surface area.

Nutrients from the food pass into the bloodstream through the small intestine walls.

Large Intestine

Functions:

Accepts what small intestines don’t absorb.

Absorbs water and minerals from the waste matter.

The Liver

Functions:

Directly affects digestion by producing bile

Processes nutrients in the blood, filters out toxins and waste.

Is often called the body’s energy factorysecretion

The Gall Bladder

Functions:

Stores bile from the liver

Delivers bile when food is digested

Fatty diets can cause gallstones

The Pancreas

Functions:

Produces compounds to digest fats and proteins

Neutralizes acids that enter small intestine

Regulates blood sugar by producing insulin

I hope you enjoyed viewing and have learned from my presentation……..

Thanks, Prelly