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Question 9209
NEET Biology · Easy

Breathing and Exchange of Gases: Expiration MCQ

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

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ExpirationEasyQuestion 9209

Question

Quiet expiration in a healthy person is usually:

  1. A
    Passive due to elastic recoil
    Correct
  2. B
    An active ATP-driven process only
  3. C
    Dependent on cilia beating
  4. D
    Impossible without abdominal compression

Correct answer

Passive due to elastic recoil

Explanation

During normal breathing, expiration mostly occurs because inspiratory muscles relax and tissues recoil.

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