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10 Cards in this Set
- Front
- Back
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Why are the foods we eat broken down and reassembled?
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So they can become a suitable form for human tissues
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What absorbs food molecules by diffusion, facilitary diffusion, or active transport?
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the Villi in the small intestine.
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Villi absorb food molecules from the wall of small intestine. This is an example of what?
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Absorption
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What is a lacteal?
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branch of lymphatic system in center of the villus
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This is used to catalyze the digestion process.
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digestive enzymes
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What is the significance of the large surface area?
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increase rate of absorption and amount of food molecules absorbed
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What is required for facilitated diffusion and active transport?
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pumps, ATP, and protein channels
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Indigestable foods, along with what, move onto the large intestine as the last stage of digestion?
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large amounts of water
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What enzyme digests fat? Give an example of where it can be found.
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pancreatic lipase with pH of 7
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what enzyme's optimum pH is in acidic conditions because the acidity is used to kill bacteria and other foreign organisms?
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pepsin (a type of protease)
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