Essay 30 - Digestion

Essay 30 - Digestion - • Stomach: trypsin for protein...

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30) Digestion of carbohydrates, proteins and lipids in our diets is a highly regulated process starting with salivary enzymes in the mouth and ending in the small intestine. In digestion, what would be the consequences of loss of liver function? Loss of pancreas function? Liver Function: remove amino acids, carbs, and lipids and store them for future use by the cells of the body between meals. Glucose is stored as glycogen and then the liver slowly releases glucose back to the blood to feed other cells between meals (especially the brain, which requires high levels of blood glucose). o Loss of Glucose: liver can’t store it brain can’t function pass-out death Bile (breaks down lipids in small intestine): o Loss of liver function, bile cannot be produced and emulsified. Also, toxins and would not be able to be removed and chemically modified (detoxified). Pancreas Function: Releases enzymes into the stomach and small intestine
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Unformatted text preview: • Stomach: trypsin for protein digestion • Small intestine: releases enzymes that breakdown carbs into monosaccharides go to liver to be stored as glycogen • Alpha and Beta cells made in Pancreas o Alpha cells: make glucagons convert glycogen into glucose, activated when there is low blood-sugar o Beta cells: makes insulin, detects high blood-glucose, stores glucose as glycogen in liver • Loss of Pancreas: o Can’t store glucose without the help from insulin or receive stored glucose from glucagons o Can’t break proteins down o Can’t break down carbs to store Low blood-sugar lose brain function death *source of these enzymes that break up the carbs, lipids and proteins are from the amylase in the mouth HCL and pepsin in stomach pancreatic enzymes in small intestine bile from liver (rbc breakdown bile, green)....
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This note was uploaded on 02/09/2012 for the course BIOL 104 taught by Professor Smith during the Spring '09 term at Arkansas State.

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