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Question

The vital capacity of the lung signifies the volume of air

A
Breathe in during normal inspiration
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B
Breathe out with forcible expiration
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C
Breathe in with forcible inspiration
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D
Volume of air expelled with forcible expiration after deep inspiration
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Solution

The correct option is D Volume of air expelled with forcible expiration after deep inspiration
Vital capacity is the volume of air breathed out forcefully after the deepest inhalation. It is equal to the sum of inspiratory reserve volume, tidal volume, and expiratory reserve volume.

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