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anatomical dead space


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The volume of air that remains in the respiratory passages (nose, buccal cavity, pharynx, trachea, bronchi, and bronchioles) during ventilation and which does not participate in gaseous exchange. A typical resting value for the anatomical dead space is 150 mL. See also alveolar dead space, dead space, physiological dead space.

Subjects: Sports and Exercise Medicine.


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