MEDICAL
GALLBLADDER AND EXCRETORY SYSTEM OF THE LIVER
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Villi secrete bile.
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Villi secrete enzymes.
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Villi absorb nutrients from food.
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Villi absorb water from the waste.
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Detailed explanation-1: -The epithelial cell are covered by smaller projections like villi known as microvilli which increases the absorption capacity of the intestine. The microvilli is covered with digestive enzymes that help in breaking down carbohydrates and proteins. In this way villi helps in absorption of food.
Detailed explanation-2: -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.
Detailed explanation-3: -Villi are finger-like projections which are richly supplied with blood vessels. They are present in the inner lining of the small intestine and help in the absorption of nutrients by increasing the surface area for absorption.