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Question 9248
NEET Biology · Easy

Breathing and Exchange of Gases: Diaphragm MCQ

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

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DiaphragmEasyQuestion 9248

Question

The diaphragm contributes to inspiration mainly by moving:

  1. A
    Downward on contraction
    Correct
  2. B
    Upward on contraction
  3. C
    Sideways only
  4. D
    Nowhere because it is rigid

Correct answer

Downward on contraction

Explanation

Flattening of the diaphragm increases vertical thoracic diameter.

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