Respiratory system What is it when a deep breath is taken, the glottis is closed, and air is forced out of the lungs against the glottis; clearing the lower respiratory passageways? Asked by arwen46 Last updated by anonymous 12 years ago 3/13/2013 8:58 PM Answers: 1
Respiratory system What is like a cough but clears the upper respiratory passageways? Asked by arwen46 Last updated by anonymous 12 years ago 3/13/2013 8:56 PM Answers: 1
Respiratory system What is incraesed ventilation of the lungs and may be initiated by a need to increase oxygen levels in the blood called? Asked by arwen46 Last updated by anonymous 12 years ago 3/13/2013 8:55 PM Answers: 1