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14 Cards in this Set
- Front
- Back
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Ingestion |
Intake of food |
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Digestion |
Breaking down larger molecules into smaller ones |
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Motility |
Contents move n mix through GI tract from muscle contractions |
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Absorption |
Nutrients transferred from GI tract to either blood or lymph |
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Defecation |
Eliminates what cant be absorbed or digested |
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Mechanical digestion |
Breakdown food into smaller particles |
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Chemical digestion |
Series of hydrolysis reactions that breaks down macromolecules into monomers by acid n enzymes |
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What are nutrients |
Carbs, proteins, lipids, water, vitamins, minerals |
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Essential nutrients |
Needed for survival Cant be synthesized by body Must come from food |
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Nonessential nutrients |
Needed for survival Can be synthesized by body |
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Vitamins do what? |
Can make vit. D Needed for metabolism not energy Can store vitamins |
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Minerals are what? |
Inorganic substances |
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Carbohydrates are what? Name them? |
Main source of energy Monosaccarides Disaccharides Polysaccharides |
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What are monosaccharides? Examples? |
Simple sugars Glucose fructose ketones polyhydroxy aldehydes |
