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Digestion
digestionn
14
Business
9th Grade
05/25/2009

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Term
amylase
Definition
digestive enzyme, breaks down starch into smaller molecules
Term
esophagus
Definition
muscular tube that connects your mouth to your stomach
Term
peristalsis
Definition
is a series of involuteery smooth muscle contraction along the walls of the digestive tract
Term
epiglottis
Definition
closes over the opening to the respiratory tract as you swalllow, preventing food from entering
Term
stomach
Definition
muscular pouchlike enlargement of the digestive tract
Term
pepsin
Definition
enzyme that begins the chemical digestion of protiens in food.
Term
small intestine
Definition
a muscular tube about 6 m long. (diameter: 2.5 cm)
Term
pancreas
Definition
soft, flattened, gland that secrets both digestuve enzymes and hormones
Term
liver
Definition
large, complex, organ that has has many functions
Term
bile
Definition
chemical substance that helps rbeak down fats
Term
gallbladder
Definition
a small organ where bile is stored
Term
villus
Definition
a single projection in the lining of small intestine that fuctions in the absorption of digested food
Term
large intestine
Definition
muscular tube that is also called the colon. (1.5 m long) (6.5 cm in diameter)
Term
rectum
Definition
last part of the dgestive system
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