Video - Lung volumes and capacities
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Video Summary
Lung volumes refer to the volume of air in the lungs, measured at various phases of the respiratory cycle. Major lung volumes include the tidal volume, inspiratory reserve volume, expiratory reserve volume, and the residual volume.
The tidal volume is the amount of air inhaled or exhaled during a single breath. The inspiratory reserve volume is the additional air that can be inhaled after a tidal volume has been breathed in. The expiratory reserve volume is the additional air that can be exhaled after a tidal volume has been exhaled. And the residual volume is the amount of air left in the lungs after you've finished exhaling.
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