Healthy lifestyle: villi

Question 1

What is a villus?

Answer 1

A villus/villi is a finger like projection found on the wall of the small intestine.
They stick out and are responsible for absorption of the nutrients from the food we eat.

Question 2

Name the adaptions of the villi.

Answer 2

• thin wall which is only one cell thick to help efficient absorption.
• increases the surface are of the small intestine to absorb more nutrients.
• network of capillaries which help the blood get it’s required nutrients.