how does small intestine help in absorbtion
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small intestine has small finger like projection called villi which helps in absorption of useful substances and nutrients.
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Villi are small, finger-like projections that protrude from the mucosal lining and increase nutrient absorption. Each villus has many microvilli. So, it's almost like the villi are fingers protruding from the small intestine wall, and microvilli are hairs on those fingers. Both work to increase surface area so more nutrients can be absorbed
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