AP BIOLOGY

Detailed explanation-1: -The finger-like projections found on the surface of the small intestine is known as villi. Villi increases the surface area of the small intestine to absorb the nutrients. Each villus is approximately 0.5-1.6 mm in length. Villi also help the intestines to move food along the digestive pathways.

Detailed explanation-2: -The lining is highly folded to form microscopic finger-like projections called villi which increase the surface area to help with absorption.

Detailed explanation-3: -Villi are finger-like projections present in the small intestine, which increases the surface area for absorption of nutrients from food.

Detailed explanation-4: -Millions of tiny finger-like structures called villi project inwards from the lining of the small intestine. The large surface area they present allows for rapid absorption of digestion products.