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Question
why are villi not present in the stomach?
why are villi not present in the stomach?
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Solution
Villi are finger like projections which are present in small intestine. The presence of villi increase the surface area for absorption.
Stomach is main organ for digestion of food. It is not concerned with absorption of food except for simple sugars and solvents like water and alcohol. As the principal function of stomach is not absorption it does not need large surface area. Hence villi are not required and are not present in stomach.
In contrast to stomach, the small intestine is involved in absorption of digested food like amino acids, glucose and lipids. Thus, its important to have large surface area for better absorption. Therefore, villi are present in small intestine.
Villi are finger like projections which are present in small intestine. The presence of villi increase the surface area for absorption.
Stomach is main organ for digestion of food. It is not concerned with absorption of food except for simple sugars and solvents like water and alcohol. As the principal function of stomach is not absorption it does not need large surface area. Hence villi are not required and are not present in stomach.
In contrast to stomach, the small intestine is involved in absorption of digested food like amino acids, glucose and lipids. Thus, its important to have large surface area for better absorption. Therefore, villi are present in small intestine.
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