what is meant by villi
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Villi are the finger like projections that are present in the inner layer of the small intestine. Villi's function is to aid in the absorption of nutrients and to increase the surface area for absorption.
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There are many finger like structures present in our small intestine. These finger like projections are known as villi. Each villi contains a large amount of blood vessels to absorb digested food and mix it with blood. Moreover they also increase the surface area of small intestine.
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