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NEETZoologyBreathing and Exchange of Gases

What is Tidal Volume (TV)?

Options

  1. AVolume of air inspired or expired during a normal respiration
  2. BVolume of air inspired during a deep inspiration
  3. CVolume of air expired during a deep expiration
  4. DVolume of air inspired or expired during a forceful respiration

Correct answer

A. Volume of air inspired or expired during a normal respiration

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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