An increase in air pressure in the lungs is due to the
BIOLOGY
JAMB 2006
An increase in air pressure in the lungs is due to the
- A. increase in the volume of the thoracic cavity
- B. upward movement of he ribs
- C. relaxation of the diaphragm
- D. contraction of the intercostal musles
Correct Answer: C. relaxation of the diaphragm
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