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Vocab. Review for Digestive System

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Vocabulary Word
Definition
nutrients   subst. in food that provides energy & materials for cell development, growth & repair,  
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Cecum   place where the small and large intestine come together.  
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Esophagus   the tube that carries food and liquids from the mouth to the stomach  
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protein   molecules that are made up of amino acids & needed for growth and repair of body cells  
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duodenum   place where the stomach joins the small intestine and most of chemical digestion takes place  
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Large Intestine   the last organ of the digestive system which removes liquid wastes and stores solid wastes.  
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liver   blood passes through this before it moves other parts of the body; toxins are broken down  
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Small Intestine   organ of the digestive system in which most digestion takes place.  
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digestion   process that breaks down food into molecules so they can be used by the body's cells for energy  
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enzyme   molecules that speed up the rate of chem. reactions in the body  
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mechanical digestion   process that occurs when food is chewed & mixed in the mouth and churned in the stomach  
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chemical digestion   process that breaks down large molecules that can be absorbed by the body's cells; takes place in the mouth, stomach & sm. intestine  
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saliva   watery enzyme containing fluid in the mouth that is mixed with food during digestion  
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chyme   thin watery product that is the result of digestion  
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peristalis   wave-like muscular contractions that move food through the digestive system  
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villi   finger-like projections in the sm. intestine where nutrients are absorbed in the blood stream  
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Rectum   temporary storage facility for feces  
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Pancreas   produces enzymes that break down digestible foods  
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Gall Bladder   stores the bile that is made in the liver and help the digestions process.  
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