What is Residual Volume (RV)?

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

Solution

Residual Volume (RV) is the volume of air remaining in the lungs even after a forcible expiration, which averages 1100 mL to 1200 mL.

Asked in: NCERT

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