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Review of Digestive and Excretory Systems

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Name the substance that coats and protects the inside of the stomach.   mucus  
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Name the organ that makes bile.   liver  
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Name the enzyme produced in saliva that breaks down starch.   amylase  
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What structure enables the small intestine to absorb large amounts of nutrients?   villi  
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What process takes place in the large intestine?   water absorbed from undigested food.  
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Process that involves muscle contractions that move food through the esophagus.   peristalsis  
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In which organ of the body are most nutrients absorbed?   small intestine  
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Name the acid in the stomach which kills bacteria on food.   hydrochloric  
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Name the organ that stores bile.   gall bladder  
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Name the organ of the excretory system that stores urine.   bladder  
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Name the organ that eliminates water and some chemical wastes in perspiration.   skin  
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Name the organ that removes carbon dioxide from the body.   lungs  
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What does a dialysis machine do?   filters waste out of the blood.  
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Name the organ that connects the pharynx with the stomach in which the food travels.   esophagus  
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Name the organ that filters waster out of the blood.   kidneys  
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