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13 Cards in this Set

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  • Back
Digestive System
-changes the food you eat into a usable energy source for your cells.
Digestion
-process that turns food into energy for your tissues and cells.
Nutrients
-tiny food particles used by your cells.

-food you put into your body is converted into nutrients by physical and chemical means.
Saliva
-made by glands located beneath your tongue.

-helps you chew and makes it easier for the chewed food to slide down your throat.

-changes food chemically
Enzymes
-proteins in your body that speed up the rate of reactions.

-act like scissors and cut apart food molecules to make them smaller
Espophagus
-strong, muscular tube that connects your mouth to your stomach
Stomach
-food arrives in this hollow organ after leaving the esophagus

-Has wrinkled lining and muscular walls

-contracts and begins to churn the food
Small Intestine
-long, tube-like digestive organ

-food enters the small intestine from the stomach
Duodenum
-area of the small intestine in which food enters from the stomach

--top part of the small intestine
Villi
-finger-like projections on the inside wall of the small intestine
Large intestine
-the tubelike organ after the small intestine that completes teh digestive process
Colon
-the lower part of the larg intestine where waste material is stored.
Feces
-the solid waste product of digestion