THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -The lining of the small intestinal mucosa is very highly specialized for maximizing digestion and absorption of nutrients. The lining is highly folded to form microscopic finger-like projections called villi which increase the surface area to help with absorption.

Detailed explanation-2: -Villi are finger-like projections present in the small intestine, which increases the surface area for absorption of nutrients from food.

Detailed explanation-3: -Villi. 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.