The constant improve in force is due to the respiration actions and also the recoil of elastic tissues. With each other, these procedures lead to pulmonary ventilation noninvasive ventilation mechanical ventilation that does not use a synthetic airway, for instance beneficial stress ventilation by using a nasal or confront mask. https://ventilation-installation23344.shoutmyblog.com/36439957/the-2-minute-rule-for-ventilation