What is Inspiratory Reserve Volume (IRV)?

What is Inspiratory Reserve Volume (IRV)?
  1. The additional volume of air a person can expire by a forceful expiration
  2. The volume of air a person can inspire during a normal inspiration
  3. The volume of air a person can inspire by a forceful inspiration
  4. The volume of air a person can expire during a normal expiration

Solution

Inspiratory Reserve Volume (IRV) is the additional volume of air a person can inspire by a forceful inspiration.

Asked in: NCERT

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