Physiology In body pethysmography, a person is asked to expire against a closed glottis. What will be the change in the pressure in the lung and the box A Increase in both B Decrease n both C Increase in lung decrease in box D Decrease in lung increase in box 💡 Explanation In body pethysmography, a person is asked to expire against a closed glottis. What will be the change in the pressure in the lung and the box ✓ Correct Answer: C. Increase in lung decrease in box