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CGP EDU Academic Team
Published on: August 12, 2026
The factor which does not affect the rate of alveolar diffusion is
Text Solution
Verified by ExpertsThe correct answer is:
C
Alveoli (thin irregular-walled and vascularised bag-like structure at the end of bronchiole) are the primary sites of exchange of gases. 
and 
are exchanged in these sites by simple diffusion mainly based on pressure/concentration gradient. Solubility of the gases as well as thickness of the membranes involved in diffusion are important factors that can affect the rate of diffusion. Reactivity of the gases does not affect the rate of alveolar diffusion.
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