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NEETZoologyBreathing and Exchange of Gases

What is Vital Capacity (VC)?

Options

  1. AThe maximum volume of air a person can breathe out after a forced inspiration
  2. BTotal volume of air accommodated in the lungs at the end of a forced inspiration
  3. CThe maximum volume of air a person can breathe in after a forced expiration
  4. DTotal volume of air accommodated in the lungs at the end of a normal expiration

Correct answer

C. The maximum volume of air a person can breathe in after a forced expiration

Step-by-step solution

Inspiratory Capacity (IC): Total volume of air a person can inspire after a normal expiration. This includes tidal volume and inspiratory reserve volume ( TV+IRV). Expiratory Capacity (EC): Total volume of air a person can expire after a normal inspiration. This includes tidal volume and expiratory reserve volume (TV+ERV). Functional Residual Capacity (FRC): Volume of air that will remain in the lungs after a normal expiration. This includes ERV+RV. Vital Capacity (VC): The maximum volume of air a person can breath

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