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Question 9246
NEET Biology · Medium

Breathing and Exchange of Gases: Forced expiration MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Forced expirationMediumQuestion 9246

Question

Forced expiration mainly involves active contraction of:

  1. A
    Internal intercostal and abdominal muscles
    Correct
  2. B
    Only diaphragm
  3. C
    Only tracheal cilia
  4. D
    Atrial walls

Correct answer

Internal intercostal and abdominal muscles

Explanation

Forced expiration is active and uses expiratory muscle groups.

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