Contraction of the diaphragm during inspiration causes the volume of the thoracic cavity to

Options

  • A. Decrease
  • B. Increase
  • C. Remain unchanged
  • D. Become zero
  • E. Change unpredictably

Correct Answer (Detailed Explanation is Below)

B. Increase

Detailed Explanation

Contraction of the diaphragm moves it downward and increases the volume of the thoracic cavity.