Ventilating characteristic and mechanical lungs in mobilizing alveolus 3.2.2 Changing the volume of exhaling breathing air before and after mobilizing alveolus Chart 3.3: Changing of Tvexp after times of mobilizing alveolus Comments: With 6 times of mobilizing alveolus, the average value of exhaling volume (TVexp) after mobilizing alveolus is higher than that before mobilizing alveolus.