1.

A person breathing normally at rest, takes in and expels approximately half a litre of air during each respiratory cucle. This is calledA. inspiratory reserve volumeB. tidal volumeC. expiratory reserve volumeD. vital capacity.

Answer» Correct Answer - B
The volume of air inspired or expired during normal breath is called tidal volume. It is about `500 mL` of air in average young adult man.


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