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In this article we will discuss about the Absorption in Different Parts of Digestive System.
Meaning of Absorption:
Absorption is a process by which nutrients pass from the alimentary canal into the blood and lymph through its mucous membrane.
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Nutrients to be absorbed:
Amino acids, monosaccharide’s, fatty acids, glycerol, salts (electrolytes), vitamins and water are to be absorbed.
Site of Absorption:
About 90% of all absorption of nutrients occurs in the small intestine, the other 10% occurs in the stomach and large intestine. Some water and salts, alcohol, some drugs such as aspirin, and moderate amounts of sugar are absorbed in the stomach.
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Water and products of bacterial digestion (amino acids and vitamin В complex and vitamin K) are absorbed in the large intestine. Thus absorption mainly occurs in the small intestine.
