what is digestive system
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Digestion works by moving food through the GI tract. Digestion begins in the mouth with chewing and ends in the small intestine. ... The body then absorbs these smaller molecules through the walls of the small intestine into the bloodstream, which delivers them to the rest of the body.
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The organs that take in food and liquids break them down into substances that the body can use for energy, growth, and tissue repair.
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