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Question 9257
NEET Biology · Medium

Breathing and Exchange of Gases: Normal inspiration MCQ

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

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Normal inspirationMediumQuestion 9257

Question

Which pair changes together during inspiration?

  1. A
    Thoracic volume increases; intrapulmonary pressure falls
    Correct
  2. B
    Thoracic volume decreases; intrapulmonary pressure falls
  3. C
    Thoracic volume increases; intrapulmonary pressure rises
  4. D
    Thoracic volume stays constant; airflow increases

Correct answer

Thoracic volume increases; intrapulmonary pressure falls

Explanation

These coordinated changes draw air into the lungs.

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