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Cards In This Set
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What is the alimentary canal?
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The canal that runs from the mouth to the anus; the places where the "food" actually "touches".
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What is an accessory organ in the digestive system?
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An organ that assists in digestion, but the food doesn't actually touch, like the liver.
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What are four examples of accessory organs in the digestive system?
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Gall bladder, liver, pancreas, salivary glands.
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What are the seven main parts of the alimentary canal, in order?
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Mouth, pharynx, esophagus, stomach, sm. intestine, lg. intestine, anus
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What is the interior lining of the alimentary canal called?
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The mucosa.
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What type of tissue is mucosa?
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Epithelium.
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What are the two primary functions of the mucosa?
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Function in secretion and absorption.
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What is the layer behind the mucosa?
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Submucosa.
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What four types of tissue is the submucosa made of?
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Loose connective, blood, lymph vessels, and nerves.
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What layer of the alimentary canal's lining helps propel food through it?
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Muscular layer.
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What is it called when the muscular layer in the lining of the alimentary canal propels food through it?
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Peristalsis.
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What two types of fibers compose the muscular layer of the alimentary canal?
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Inner=circular fibers
outer - longitudinal fibers |
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What is another name for the serosa?
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Visceral peritoneum.
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What is the function of the serosa?
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To secrete serous fluid to lubricate organs.
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What are the two major functions of the motion of peristalsis?
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To PROPEL food through the alimentary canal,and to MIX food with enzymes.
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