Home/
Competitive Exams/
NEET/
Biology/
Breathing and Exchange of Gases/
Question 9258
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.

Timer-based practiceDetailed answer reviewMobile-friendly flow
ExpirationEasyQuestion 9258

Question

At rest, expiration begins when inspiratory muscles:

  1. A
    Relax
    Correct
  2. B
    Contract strongly
  3. C
    Become cartilage
  4. D
    Produce bicarbonate

Correct answer

Relax

Explanation

Relaxation of the diaphragm and external intercostals allows thoracic recoil and expiration.

Review Breathing and Exchange of Gases notesStart timed chapter practice