1.

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.

Answer»

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.





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