digest-1 - THE DIGESTIVE SYSTEM D C Mikulecky Faculty...

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THE DIGESTIVE SYSTEM D. C. Mikulecky Faculty Mentoring Program Virginia Commonwealth University
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FUNCTIONS OF THE DIGESTIVE SYSTEM Motility Secretion Digestion Absorption
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Motility The digestive tract is surrounded by layers  of smooth muscle These muscles enable mixing and  propulsive movement to be carried out by  the digestive tract
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Secretion Digestion requires that enzymes be  secreted by the pancreas and other  organs Mucous secretions protect the digestive  tract Acid is secreted in the stomach There are other secretions of importance 
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DIGESTION Breaking down complex foodstuffs into  absorbable units by enzymes produced in  the digestive system Involves the breakdown of carbohydrates,  proteins fats, and other foods
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Absorption All other functions support this one This is how we obtain the necessary fuel  for our cells
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THE DIGESTIVE TRACT Mouth and pharynx Esophagus Stomach Small Intestine Large Intestine Anus
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THE DIGESTIVE TRACT Lumen Mucosa Submucosal Plexus Circular Muscle Myenteric Plexus Logitudinal Muscle Extrinsic Nerves
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ACCESSORY DIGESTIVE ORGANS Salivary Glands Exocrine Pancreas Billiary System: (Liver and Gallbladder)
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This note was uploaded on 12/24/2011 for the course STEP 1 taught by Professor Dr.aslam during the Fall '11 term at Montgomery College.

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digest-1 - THE DIGESTIVE SYSTEM D C Mikulecky Faculty...

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