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The difference between the volume of air inhaled and the maximum volume that could be inhaled
Inspiratory reserve volume (IRV)
The difference between the volume of air exhaled and the maximum volume that could be exhaled
Expiratory reserve volume (ERV)
Maximum volume of air that can be exhaled following maximum inhalation - volume available for life and speech
Tidal volume (TV) + inspiratory reserve volume (IRV) - maximum inspiration possible after tidal expiration
This volume is the difference between the volume of air exhaled and the maximum volume that could be exhaled.
Expiratory reserve volume
This is the volume of air actually inspired and expired during a regular respiratory cycle.
This volume is the difference between the volume of air inhaled and the maximum volume that could be inhaled.
Inspiratory reserve volume
This is the term for breathing with exertion, requiring muscular effort on expiration as well as on inspiration.
This is the volume of air remaining in the body after a passive expiration.
Functional residual capacity
twisting, especially of chondral portion of ribs in inspiration; untorques for quiet expiration
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