Title: Digestion and Stomach Function Free Essay Sample
Headings: Digestion and Stomach Function
Digestion and Stomach Function
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Content: The chemical digestion occurs when the acids are excreted from the lining of the stomach to break down the proteins. Small Intestine and Large Intestine What are the three sections of the small intestine and what role does each section play in digestion or absorption? Duodenum is the first section of the small intestine, this is where the first part of digestion is completed. Food is mixed with bile and enzymes both of which help break down the food. Jejunum is where the foods nutrients are absorbed. Lleum is the last part of the small intestine where the bile acids are returned to the liver and any excess water is absorbed. What is the pH within the small intestine and how is this pH maintained? The pH of the region is maintained at 7 or 8 this is the pH that is optimal for the enzymes to function. This is kept at a constant with the bile from the gallbladder. Where do bile and pancreatic enzymes enter the small intestine?