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Question 9220
NEET Biology · Medium

Breathing and Exchange of Gases: Respiratory membrane MCQ

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Respiratory membraneMediumQuestion 9220

Question

The thin membrane across which alveolar gas exchange occurs includes alveolar epithelium, basement substances, and:

  1. A
    Capillary endothelium
    Correct
  2. B
    Pleural cavity
  3. C
    Bronchial cartilage
  4. D
    Tracheal rings

Correct answer

Capillary endothelium

Explanation

The respiratory membrane separates alveolar air from blood and includes capillary endothelium on the blood side.

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