Physiology A man connected to a body plethysmograph for estimation of FRC inspires against a closed glottis. Which of the following statements is true – A The pressure in both the lung and the box increase B The pressure in both the lung and the box decrease C The pressure in the lung decrease, but that in the box increase D The pressure in the lung increase, but that in the box decrease 💡 Explanation A man connected to a body plethysmograph for estimation of FRC inspires against a closed glottis. Which of the following statements is true - ✓ Correct Answer: C. The pressure in the lung decrease, but that in the box increase