What nonrespiratory air movement is due to a spastic contraction of the diaphragm while the glottis is closed?Multiple ChoiceCoughYawnHiccupSneeze

What nonrespiratory air movement helps to clear the upper respiratory passageways?Multiple ChoiceYawningLaughingCoughingSneezing

What is happening to the diaphragm when the lungs are filling with air?relaxingcontractingfilling with air

What happens to your diaphragm when you breathe in?

During exhalation, what happens to the diaphragm and external intercostal muscles?

Which muscle contracts during inhalation?External inter costal muscleRadial muscle of diaphragmBoth 1 and 2Internal inter costal muscle