What is villi? What are its functions?
Answers
The structure of the small intestine is designed for absorption of nutrients. The inside of the small intestine is lined with villi that absorb nutrients from the liquid mixture called chyme produced in the stomach from the food we eat. Biology books usually have a detailed picture of the villi. Some plastic science models also show villi. However, this easy to create model more accurately presents the concept of villi in a way that can be accessed tactually and visually. Blood vessels on the outside of the intestinal wall absorb nutrients so that they can travel around the body in the blood.
Answer:
Villus, plural villi, in anatomy any of the small, slender, vascular projections that increase the surface area of a membrane. The villi of the small intestine project into the intestinal cavity, greatly increasing the surface area for food absorption and adding digestive secretions.
Explanation:
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