First slide
Mechanism of Breathing
Question

The extra volume of air that can be inspired forcibly is

Easy
Solution

Inspiratory Reserve Volume (IRV) is the additional volume of air, a person can inspire by a forcible inspiration. This averages 2500 mL to 3000 mL.

Inspiratory Capacity (IC) is the total volume of air a person can inspire after a normal expiration. This includes tidal volume and inspiratory reserve volume ( TV+IRV).

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