In human beings, ventilation will involve a coordinated energy of various muscles and buildings to maneuver air into and out from the lungs. The principal muscle mass driving this process may be the diaphragm, a dome-shaped muscle at the base with the lungs, separating the upper body and abdominal cavities. https://ventilation02344.blogpixi.com/37629910/getting-my-ventilation-ductwork-to-work