What is Expiratory Reserve Volume (ERV)?

What is Expiratory Reserve Volume (ERV)?
  1. The volume of air a person can inspire by a forceful inspiration
  2. The volume of air a person can expire by a normal expiration
  3. The volume of air a person can expire by a forceful expiration
  4. The volume of air remaining in the lungs after a normal expiration

Solution

Expiratory Reserve Volume (ERV) is the volume of air a person can expire by a forceful expiration, which averages 1000 mL to 1100 mL.

Asked in: NCERT

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