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| building blocks of protein |
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| the body's main energy source- sugars, starch, and fiber- forme of carbon, hydrogen, and oxygen atoms; found in fruit.pasta, and whole-grain cereals and breads |
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| didestive system process that occurs when chemicals break down large food molecules into smaller ones that can be obsorbed by the body |
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| thin, watery product of digestion that moves slowly out of the stomach and into the small intestine |
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| chemical and mechanical process that breaks food down into smaller molecules so that they can be absorbed by the body |
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| a type of protein that speeds up the rate of chemical reactions in the body but is not used up or changed itself in any way during the reaction |
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nutrient that provides energy and helps the body absorb vitamins; can be saturated (meates and cheeses)
or unsaturated (liguid vegatable oil and faat found in poultry, fish, and nuts) |
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| one of five groups of food that contain the same nutrients: bread and cereals, vegatables, fruit, milk, and meat |
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| digestive system process where food is broken down through chewing, mixing, and churning |
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| inorganic nutrient that regulates many of the body's chemical reactions; builds cells, sends nerve impulses, and carries oxygen |
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| substances in food- proteins, carbohydrates, fats, vitamins, minerals, and water- that the body uses for cell development, repair, and the growth and that provide energy |
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| waves of muscular contractions that move foodthrough the digestive system |
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| nutrient made up of amino acids that is used for replacement and repair of body cells and has large molecules that contain carbon, hdryogen, oxygen, and nitrogen; found in meats, fish, and beans |
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| fingerlike projections in the wall of the small intestine that increase the surface area for absorption of nutrient molecules |
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| organic, water-solube nutrient needed in small quantities for growth, regulating body functions, and preventing disease |
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