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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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| "digestive system process where food is broken down through chewing, mixing, and churning." |
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| digestive system process that occurs when chemicals break down large food molecules into smaller ones that 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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| waves of muscular contractions that move food through the digestive system. |
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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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| fingerlike projections in the wall of the small intestine that increase the surface area for absorption of nutrient molecules |
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