A unique feature common to both the alveoli of lungs and the villi of the intestine, is that both.

Have ciliated columnar epithelium

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Are suited for diffusion of gases

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Provide a large surface area

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Have a rich supply of blood vessels and lymph ducts.

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Solution

The correct option is C
Provide a large surface area

The alveoli are tiny, circular air sacs which are important because they significantly increase the surface area of the lungs. Due to the many walled surfaces of the alveoli, the lungs of a single person have a surface area that is approximately the size of a tennis court.

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Similar questions

A unique feature common to the alveoli of lungs and the villi of the intestine is that both

List-I	List-II
(A) Simple squamous epithelium	(I) Ureters
(B) Simple cuboidal epithelium	(II) Epididymis
(C) Non-ciliated simple columnar epithelium	(III) Lining of alveoli of lungs
(D) Transitional epithelium	(IV) Lining of thyroid vesicles
(E) Pseudostratified non-ciliated columnar epithelium	(V) Mucosa of stomach and intestine

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