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KBrower
Digestion
15
Science
7th Grade
03/22/2010

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Cards

Term
Amino Acid
Definition
building blocks of proteins
Term
Carbohydrates
Definition
the body's main energy source, formed of carbon, hydrogen, and oxygen atoms
Term
Chemical Digestion
Definition
Digestive process that occurs when chemicals break apart food into smaller molecules.
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 apart food into smaller molecules
Term
Enzyme
Definition
a type of protein that speeds up the rate of chemical reactions in the body but is not used up or changed its self in any way during the reaction
Term
Fat
Definition
nutrient that provides energy and helps the body absorb vitamins tht can be saturated or can't be saturated
Term
Food Group
Definition
one of five food groups that have the same nutrients
Term
Mechanical Digestion
Definition
digestive function in whivh food is broken down by chewing, mixing, and churning
Term
Mineral
Definition
inorganic nutrient that regulates many of the body's chemical reactions, builds cells, sends nerve impilses, and carries oxygen
Term
Nutrient
Definition
subsantce in food that body uses for cell developement, repair, and growth.
Term
Peristalsis
Definition
waves of muscular contractioons that move food through the body
Term
Protein
Definition
nutrient made up of amino acids that is used for replacement and repair of molecules
Term
Villi
Definition
finger-like projections in the wall of the small intestinethat increases the surface are for absorbtion molecules
Term
Vitamin
Definition
Fat-soluble nutrient needed in small quantities for growth, regulating body functions, and preventing disese
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