When you exhale, the diaphragm ______________________
relaxes
moves up
pushes air out of lungs
all of the above
Regarding the assertion and reason; choose the correct option_______ Assertion [A]: The space in your chest cavity increases, into which your lungs expand.
Reason [R]: When the diaphragm tightens and moves downwards, inhalation of air occurs.
When we inhale, we take air into our lungs. what do we breathe out during exhalation? options A :carbon dioxide option B: Nitrogen option C:Oxygen option
D: a mixture of gases that has more carbon dioxide than inhaled air optionE: a and c
When a moving bus stops immediately , you feel a push forward. Who pushed you?