Name: Kidney as the Body Filter
Uploaded: 2019-07-19
Duration: 4 min 4 s
Description: The kidney is the waste manager of our body. Let us look inside the kidney and understand how this wondrous filtration system works. Watch the video now.

Question

What are villi? Give a brief description of their structure and function.

Accepted Answer

The inner surface of the small intestine is specially adapted for the process of absorption of digested food by having millions of tiny, finger-like projections called villi.

All the end products of digestion are soluble in water and hence, can be easily absorbed by the walls of intestine containing blood capillaries.

The small intestine is the main region for absorption of digested food. The inner surface of small intestine is specially adapted for the process of absorption of digested food by having millions of tiny, finger like projections called villi.

Villi are richly supplied with blood capillaries and contains lymph vessels. Then, these lymph vessels open into the larger veins carrying digested fats absorbed from the large intestine.

Function of Villi: It increases the ability of absorption in the inner wall of the small intestine.

What are villi? Give a brief description of their structure and function.

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