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o shalabi digestion
digestion
15
Science
7th Grade
03/22/2010

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Term
amnio acid
Definition
building blocks of protien
Term
carbohydrate
Definition
the body's mmain energy source
Term
chemical digestion
Definition
digestive system process that occurs when chemicals break down large food molicules into smaller ones that can be absorb by the body.
Term
chyme
Definition
thin, watery product of digestion that moves slowly out of the stomach and into the small intestine
Term
digestion
Definition
chemical and mechanical process that breaks food down into smaller molicules so that they can be absorbed by tthe body
Term
enzyme
Definition
a type of protien that speeds up the rate of chemical reactions in the body but is not used up or changed itself in any way in the reaction
Term
fat
Definition
nutrient that provides energy and helps the body absorb vitamin
Term
food group
Definition
one of five groups of food that contain the same nutrient
Term
mechanical digestion
Definition
digestive system process where food is broken down through chewing, mixing, and turning
Term
mineral
Definition
inorganic nutrient that regulates many of the body's chemical reactions
Term
nutrient
Definition
substances in food that the body uses for cell developement,repair,and growth and that provides energy
Term
peristalsis
Definition
waves of muscular contractions that move food through the digestive system
Term
protien
Definition
nutrients made up of amino acid that is used for replacement and repair of body cells
Term
villi
Definition
fingerlike projections in the wall of the small intestine that increases the surface area for absorption of nutrient
Term
vitamin
Definition
organic, water-soluble or fat-soluble nutrient needed in small quanities for growth, regulating body functions, and preventing disease
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