Question

The inner wall of the small intestine bears numerous finger-like projections called villi whereas the esophagus does not. Why?

Answer 1

VILLI IS REQUIRED IN SMALL INTESTINE BECAUSE a lot of nutrients have to be absorbed in the small intestine. Lots of cells on a small area makes this process efficient. The stomach collects the food, adds gastric acid and enzymes for digestion of food.

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Answer 2

Answer:

The inner wall of the small intestine bears numerous finger like projections called villi increases the surface of the small intestine & helps in absorption of nutrients from the digested food whereas oesophagus is a muscular tube that connects our mouth to the stomach . When we swallow food , oesophagus by the peristaltic movement of its muscular wall . No digestion occurs in the oesophagus .