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Question 9290
NEET Biology · Medium

Breathing and Exchange of Gases: Emphysema MCQ

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EmphysemaMediumQuestion 9290

Question

Chronic smoking is strongly associated with emphysema because it damages:

  1. A
    Alveolar walls
    Correct
  2. B
    Tonsils
  3. C
    Spleen capsule
  4. D
    Mitral valve

Correct answer

Alveolar walls

Explanation

Alveolar wall destruction reduces respiratory surface and elastic recoil.

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