what is digestion define it
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Digestion occurs in three main ways: We chew our food, and our teeth break down the food into smaller pieces. Also, the liquid in our mouths (saliva) causes a chemical reaction that starts to digest the food. In our stomach, chemicals called “enzymes” change the food into smaller molecules that the body can use.
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(1) A person's capacity to digest food.
(2) The process of treating a substance with heat, enzymes, or a solvent to promote decomposition or extract essential components.
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