The continual change in strain is brought on by the respiration actions plus the recoil of elastic tissues. With each other, these processes result in pulmonary ventilation Pure ventilation is the entire process of using purely natural forces, including wind and thermal buoyancy, to exchange indoor and outdoor air. guide/Regulate https://claytonctkym.ageeksblog.com/36232732/the-2-minute-rule-for-ventilation-ductwork