What is villi And what function?

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The small finger like projection present in small intestine is called villi...it increases the surface area and helps in absorbtion of food...

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Villi are the finger like projections these are found in the inner linning of small intestine it function is to increase the surface area of absorption

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Villi is a finger-like projections which absorbs minerals through lymph gland found among capillaries

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Thanks so much from answer but learn villi f

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What are Villi?
Villi are tiny, finger-like projections that line the inner surface of the small intestine. They play a crucial role in the digestive and absorptive processes of the body. Each villus increases the surface area of the intestinal lining, allowing for more efficient nutrient absorption.

Structure of Villi
- Villi are made up of epithelial cells and contain a network of blood vessels and lymphatic vessels, known as lacteals.
- They measure about 0.5 to 1.5 millimeters in length.

Functions of Villi
- Enhanced Surface Area: The primary function of villi is to increase the surface area of the small intestine, which significantly enhances the absorption of nutrients.
- Nutrient Absorption: Villi facilitate the absorption of essential nutrients such as amino acids, fatty acids, glucose, vitamins, and minerals into the bloodstream.
- Transport Mechanism: Microvilli, even smaller projections on the epithelial cells of villi, further amplify this absorptive capacity, creating a brush border that aids in nutrient transport.
- Immune Function: Villi contribute to the immune defense of the gastrointestinal tract by housing immune cells that help protect against pathogens.

Conclusion
In summary, villi are essential structures in the small intestine that significantly enhance nutrient absorption and facilitate various digestive processes. Their unique design and function are vital for maintaining overall health and well-being.

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