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| Building blocks of proteins |
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| The body's main energy source- sugars, starch,and fiber- formed of carbon, hydrogen and oxygen atoms;found in fruit, pasta, and whole-grain cereals and breads |
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| Digestive system process that occurs when chemicals break down large food molecules into smaller one that can be absorbed 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 small 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 andhelps the body absorb vitamins; can be saturated (meats and cheese)or unsaturated (liquid vegtable oil and fat found in poultry, fish, and nuts) |
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| One of five groups of foods that contain the same nutrients: breads and cereals, vegtables, fruit, milk, and meat |
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| Digestive system process where food is broken down though chewing, mixing, and churning |
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| Inorgrient nutrient that relagates 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 growth and that provide energy |
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| Waves of muscular contractions that move food through 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, hydrogen, 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-soluble or fat-soluble nutrient needed in small quantities for growth, regulating body functions, and preventing disease |
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