Ch. 15 terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| nutrient | the substances that provide the raw materials and energy the body needs to carry out all it's essential proscesses
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| calorie | the amount of energy needed to raise the temprature of one gram of water by ne degree celsius
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| carbohydrate | major source of energy
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| glucose | the major source of energy for your body's cells
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| fat | energy-contaning nutrients that insulate and protect your internal organs
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| protien | nutrients that contain nitrogen as well as oxygen as well as carbon,hydrogen,and oxygen
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| amino acids | small units that protien is made of
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| vitamin | helper molecules in a varitey of chemical reactions in the body
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| mineral | nutrients that are not made of living things
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| Food Guide Pyramid | classifies food into 6 groups
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| Percent Daily Value | shows you how the nutritional content of one serving fits into the reccomended for a person who consumes 2,000 calories per day
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| Dietary Refrence Intakes | giudelines that show the amounts of nutrients that are needed evrey day
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| digestion | the proscess by whitch your body breaks down food into small nutrient molecules
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| absorbstion | the proscess bywhitch nutrient molecules pass through the wall of your digestive system into your blood
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| saliva | the fluid released when your mouth waters
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| enzyme | protiens that speed up chemical reactions in the body
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| epiglottis | as you swallow this flap of tissue seals off your windpipe,whitch carries air into your lungs
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| esophagus | a muscular tube that connects the mouth to the stomach
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| mucus | a thick, slippery substance produced by the body
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| peristalsis | involuntary waves of muscle contraction
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| stomach | a j-shaped muscular pouch located in the abdomen
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| small intestine | the part of the digestive system where most chemical digestion takes place
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| liver | the body's largest organ;produces bile;breaks down molecules and helps eliminate nitrogen from the body
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| bile | a substance that breaks up fat particles
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| gallbladder | organ that stores bile
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| panceras | a triangular organ lies between the stomach and the first part of small intestine
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