Wall of alveoli is composed of

Simple squamous epithelium

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Simple cuboidal epithelium

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Pseudostratified epithelium

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Simple columnar epithelium

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Solution

The correct option is A Simple squamous epithelium
The walls of the alveoli are lined with simple squamous epithelial cells known as alveolar cells. This single layer of squamous cells is ideal for the diffusion of gases in the lungs.
So, the correct answer is option A.

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Similar questions

Q. Match the lists.

	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

Q. Match the following:

	Column I		Column II
A	Squamous epithelium	1	Fallopian tubes
B	Cuboidal epithelium	2	Lining of stomach
C	Columnar epithelium	3	Ducts of glands
D	Ciliated epithelium	4	Air sacs of lungs

Match the following epithelial tissues with their location

$\begin{matrix} C o l u m n I & C o l u m n I I 1. Squamous Simple Epithelial Tissue & a . Salivary Ducts 2. Cuboidal Simple Epithelial Tissue & b . Skin 3. Columnar Simple Epithelial Tissue & c . Bowman's Capsule 4. Ciliated Columnar Simple Epithelial Tissue & d . Endometrium 5. Keratinised Stratified Epithelium & e . Nostrils \end{matrix}$

Q. Match the following and choose the correct option:

A. Simple squamous epithelium	1. Ducted glands
B. Simple cuboidal epithelium	2. Ductless glands
C. Exocrine glands	3. Secretion and absorption
D. Endocrine glands	4. Diffusion and osmosis occur

The alveoli are lined by simple squamous epithelium which is coated with a thin film of lecithin, a phospholipid. What purpose does this serve?

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Wall of alveoli is composed of

The correct option is A Simple squamous epitheliumThe walls of the alveoli are lined with simple squamous epithelial cells known as alveolar cells. This single layer of squamous cells is ideal for the diffusion of gases in the lungs.So, the correct answer is option A.

The correct option is A Simple squamous epithelium
The walls of the alveoli are lined with simple squamous epithelial cells known as alveolar cells. This single layer of squamous cells is ideal for the diffusion of gases in the lungs.
So, the correct answer is option A.