Given below are two statements.
Statement I: The total thickness of the diffusion (respiratory) membrane is much less than a millimetre.
Statement II: The diffusion membrane is made up of the squamous epithelium of alveoli, the endothelium of alveolar capillaries and the basement substance.
In light of the above statements, choose the correct answer from the options given below.

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Statement I is incorrect but statement II is correct.

Both statement I and statement II are correct.

Statement I is correct but statement II is incorrect.

Both statement I and statement II are incorrect.

answer is A.

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Detailed Solution

Both statement I and statement II are correct.

The total thickness of the diffusion (respiratory) membrane is much less than a millimetre. The diffusion membrane is made up of the squamous epithelium of alveoli, the endothelium of alveolar capillaries and the basement substance.

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