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Which of the following actions does not occur during exhalation in man?

Which of the following actions does not occur during exhalation in man?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Thoracic cavity decreases in volume
  • B Diaphragm flattens
  • C Ribs move down and in
  • D Air pressure increases in the thoracic cavity
Correct Answer: Option B
Explanation:
When you breathe in, or inhale, your diaphragm tightens and moves downward (flattens).

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