The alveolar epithelium in the lung is

Nonciliated and columnar

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Nonciliated and squamous

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Ciliated and columnar

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Ciliated and squamous

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Solution

The correct option is B Nonciliated and squamous
Alveoli of the lungs is lined by a single layer of closely spaced cells known as simple squamous epithilial cells. Unlike cells found in the respiratory tract, they lack cilia and they help in diffusion of gases.
Hence the correct option is B.

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Similar questions

	I		II
(a)	Simple squamous epithelium	(i)	Ureters
(b)	Simple cuboidal epithelium	(ii)	Epididymis
(c)	Nonciliated simple columnar epithelium	(iii)	Lining of alveoli of lungs
(d)	Transitional epithelium	(iv)	Lining of thyroid vesicles
(e)	Pseudostratified nonciliated columnar epithelium	(v)	Mucosa of stomach and intestine

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