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A committee of 4 is to be selected from a group of 12 people. How many possible committees can be selected?
Pulmonary Fibrosis
A lung disease that occurs when lung tissue becomes damaged and scarred, leading to severe breathing difficulties.
Inspiratory Reserve Volume (IRV)
The maximum volume of air that can be inhaled beyond the normal tidal volume inhalation, used in pulmonary function testing.
Expiratory Reserve Volume (ERV)
The maximum volume of air that can be forcibly exhaled after the expiration of a normal tidal volume.
Expiratory Capacity (EC)
The maximum volume of air that can be exhaled after a normal inhalation.
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