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NEET
Exam
NEET
Subject
Zoology
Chapter
Breathing and Exchange of Gases

NEET · Zoology · Breathing and Exchange of Gases

What is the average Expiratory Reserve Volume (ERV) in healthy...

What is the average Expiratory Reserve Volume (ERV) in healthy adults?

Options

  1. A1000 mL to 1100 mL
  2. B1100 mL to 1200 mL
  3. C1200 mL to 1300 mL
  4. D1300 mL to 1400 mL

Correct answer

A. 1000 mL to 1100 mL

Step-by-step solution

Tidal Volume (TV): Volume of air inspired or expired during a normal respiration. It is approx. 500 mL., i.e., a healthy man can inspire or expire approximately 6000 to 8000 mL of air per minute. Inspiratory Reserve Volume (IRV): Additional volume of air, a person can inspire by a forcible inspiration. This averages 2500 mL to 3000 mL. Expiratory Reserve Volume (ERV): Additional volume of air, a person can expire by a forcible expiration. This averages 1000 mL to 1100 mL.

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