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pumonary volumes

tidal volume

is the normal amount of air moved in or out of the lungs during a normal breath

expiratory reserve volume

is the amount of air that can exhaled after a normal respiration

inspiratory reserve volume

is the amount of air that can be inhaled after a normal inspiration

residual volume

is the amount of air left in the lungs after a maximal expiration

functional residual volume

is the amount of air lef tin the lungs after a normal expiration
sum of
1. residual volume
2. expiratory reserve volume

vital capacity

is the amount of air that can be maximally expired after a maximal inspiration
Sum of
1. inspiratory reserve volum
2. tidal volume
3. expiratory reserve volume

total lung capacity

is the maximum amount of air that the lungs can hold
Sum of
1. inspiratory reserve volume
2. tidal volume
3. expiratory reserve volume
4. residual volume

alveolar ventilation

the volume of inspired air that reaches (ventilates) the alveoli
Tidal volume less anatomical dead space.

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