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Digestive System Flashcards
Digestive System Flashcards
9
Science
7th Grade
03/09/2010

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Cards

Term
Explain what happens to food in the mouth.
Definition
 Food is broken down into small pieces, saliva begins to break down starches and sugars
Term
Explain what happens to food in the Esophagus.
Definition
 Moves food to stomach (acts like a conveyer belt)
Term
Explain what happens to food in the stomach.
Definition

 Food is digested by mechanical and chemical means

(Mechanical) Food mixed by muscular wall
(Chemical) Acid and Digestive enzymes
Term
Explain what happens to food in the small intestine
Definition
 Duodenum (this is the main point of digestion) separates chyme into fats, proteins and carbohydrates (it sorts out the parts of our food to be absorbed)
Term
Explain what happens to food in the Large Intestine
Definition
 Absorbs water from chyme (acts like a sponge to keep water and moisture in the body)
Term
Food does not pass through the Liver, Gall Bladder or Pancreas.  What is their role in digesting food?
Definition
The liver make bile for the body. The Gall Bladder stores bile.  The Pancreas contains digestive juices.
Term
What ofther jobs does the liver have other than making bile?
Definition
It cleans the blood and stores nutrients.
Term
What other jobs does the pancreas have other than making digestive enzymes for the small intestine?
Definition
Releases (secreates) hormones
Term
What do bacteria do in the large intestine?
Definition
Feed on cellulose and undigested materials and produce vitamins.
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