- A Solubility of gases
- B Thickness of the respiratory membrane
- C Partial pressure difference
- D Molecular weight of gases
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Answer:
D
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The process of diffusion is affected by various factors including solubility of gases, thickness of the respiratory membrane, and partial pressure difference. However, molecular weight of gases does not affect diffusion as all gases diffuse from high partial pressure to low partial pressure irrespective of their molecular weight. Therefore, option D is the correct answer.
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