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Vital Capacity

What is the reason behind the Vital Capacity Increase with Age?



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Vital capacity is the maximum amount of air a person can expel from the lungs after a maximum inhalation. It is measured by a spirometer which can be wet or regular. A normal adult has a vital capacity of between 3 and 5 litres.

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Vital Capacity is the amount of air that can be forcibly expelled from the lungs after breathing in as deeply as possible.

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Because we old folks need it to put up with you young whippersnappers.

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I would like to direct your attention to the graph below:
Vital Capacity
There is not linear relationship between age and VC. In fact, it begins decreasing in the fifth decade.

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I still have the vital capacity of a much younger man. Dunno why, considering the rest of my body is messed up.

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