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Digestive System

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Term
Definition
Villi   finger shaped bumps that soak up nutrients and create larger surface area which are in the small intestine  
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esophogus   a tube that food travels down into stomach  
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large intestine   removes extra water from wastes  
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gall bladder   stores digestive juices  
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stomach   mixed and churns food with digestive juices  
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saliva   contains an enzyme that turns starch into sugar  
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small intestine   puts nutrients in bloodstream  
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peristalsis   muscle that pushes food through the esophagus  
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pancreas   helps control the amount of sugar in the blood flow and makes chemicals that break down proteins carbohydrates and fats  
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liver   stores sugar, and gets rid of harmful chemicals  
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enzyme   digestive juices that help speed up chemical reactions and made in stomach, small intestine, and pancreas.  
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diffusion   When something moves from a crowded area to a less crouded area. Food diffuses through the villi to the capillaries  
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independent variable   a variable that is changed  
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control variable   a variable that stays the same  
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dependent variable   a variable that is measured  
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Bile   a yellowish liquid made in the liver that helps your body digest food by breaking down your food  
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