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Question 9211
NEET Biology · Hard

Breathing and Exchange of Gases: Breathing mechanics MCQ

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Breathing mechanicsHardQuestion 9211

Question

If thoracic volume increases but no pressure difference develops, air will:

  1. A
    Not move significantly
    Correct
  2. B
    Rush in at high speed
  3. C
    Diffuse into blood directly
  4. D
    Convert into bicarbonate

Correct answer

Not move significantly

Explanation

Bulk movement of air depends on a pressure gradient between atmosphere and lungs.

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