1.

Distinguish between the following :Inspiratory Reserve Volume (IRV) and Expiratory Reserve Volume (ERV).

Answer»
Inspiratory Reserve Volume (IRV)Expiratory Reserve Volume (ERV).
1. It is the maximum volume of air, or the extra volume of air, that is inspired during forced breathing.1. It is the maximum volume of air that is expired during forced breathing.
2. Its value is 2000/3000 ml.2. Its value is 1000/1100 ml.


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