When the diaphragm contracts which of the following will happen in the lungs? A. air pressure will increase, volume will decrease and exhalation will occur. B. air pressure will decrease, volume will increase and exhalation will occur. C. air pressure will decrease, volume will increase and inhalation will occur. D. air pressure will increase, volume will increase and inhalation will occur.
Option C. When the diaphragm contract then air pressure will decrease, volume will increase and inhalation will occur.
