Starting with the actions in the mouth describe the digestion, absorption, and elimination of a meal...

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Biology

Starting with the actions in the mouth describe the digestion,absorption, and elimination of a meal containing carbohydrates,lipids, and proteins (include mechanical and chemical digestion ineach of the structures of the GI tract, the enzymes, movement ofthe material through the digestive tract, the roles of theaccessory structures in digestion, and changes in pH).

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Digestion The digestion of food starts in the mouth or buccal cavity The first process is mechanical digestion This involves mastication of food particles by teeth Food chewed and mixed with saliva forms a mass of ball like structure called the bolus which help it to pass through the esophagus Chemical digestion initiates in mouth with salivary digestion of starch Saliva contains amylase enzyme or Ptyalin Salivary Amylase act on raw form of carbohydrates Pancreatic amylase is released by the pancreas into the duodenum Pancreatic amylase work on complex form of carbohydrates and carbohydrates entering the intestine after partial digestion that remains undigested by salivary amylase Thus two See Answer

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