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7 Cards in this Set
- Front
- Back
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Catabolic reactions
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Reactions that break down molecules to supply energy
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Anabolic reations
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Synthesis of macromolecules
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Digestion
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The breakdown of polymers (polypeptides, fats, starch) into their building blocks via enzymatic hydrolysis.
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What are two functions of the digestive system?
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Primary: digestion and absorption of foodstuffs
Secondary: protection from disease |
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How is digestion accomplished?
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Through the gastrointestinal (GI) tract, also known as the digestive tract, the alimentary canal, or simply the gut.
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What is the lumen continuous with?
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The space outside the body (food can go from the plate into the lumen and from there into the toilet bowl without ever contacting the bloodstream, the muscles, the bones, etc)
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Excretion
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The disposal of waste products
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