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Standard IX
Biology
Squamous Epithelium
Question

The epithelium of the alveoli of lung is____________.
  1. Stratified epithelium
  2. Columnar epithelium
  3. Squamous epithelium
  4. Cuboidal epithelium

A
Columnar epithelium
B
Squamous epithelium
C
Cuboidal epithelium
D
Stratified epithelium
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Solution
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The correct option is C Squamous epithelium
    • Simple squamous epithelium lines the air sacs, or alveoli, of the lungs.
    • Simple squamous epithelial cells in the alveoli allow the exchange of gases in the lungs.
    • Striated, columnar and cuboidal epithelium is absent in the lines of alveoli.
    Hence, the correct answer is option 'C'.

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