What decreases and allows air to flow into the passageways of the lungs?

Asked by arwen46 12 years ago 3/12/2013 5:00 AM

Last updated by anonymous 12 years ago 3/13/2013 9:11 PM

Answered by Dr. John Carmen 12 years ago 3/13/2013 9:11 PM

Intrapulmonar pressure decreases and allows air to flow into the passageways of the lungs.