Nhalation and exhalation move air into and out of the lungs. what happens when you inhale and exhale?

5/13/15 4:53 PM Page 195 of 300 Air moves into and out of your lungs when you inhale and exhale ... During exhalation, the diaphragm and rib muscles relax, decreasing the volume of the lungs. Air leaves the alveoli and flows up the bronchioles, bronchi, and trachea, and exits through the nose or mouth.