Why Does Diffusion Across the Respiratory Membrane Proceed Very Rapidly

question 81

Multiple Choice

Why does diffusion across the respiratory membrane proceed very rapidly?

• A) because the gases are lipid-soluble
• B) because the distance across the respiratory membrane is short
• C) because the basement membrane of the alveolar epithelium is fused with the adjacent capillaries
• D) because the the surface area of the blood-air barrier is large
• E) All answer choices are correct.

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