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ANATOMICAL DEAD SPACEThe volume of the conducting airways of the nose,mouth,trachea down to the level of alveoli representing dead portion of inspired gas unavailable of exchange of gases with pulmonary capilary blood. PHYSIOLOGICAL DEAD SPACEIt is the combination of anatomical dead space and alveolar dead space.

where as alveolar dead space is the space occupied by gas which is transported to the alveoli but does not meet blood across the alveolar capillary membrane.

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13y ago
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5mo ago

Anatomical dead space refers to the volume of air in the respiratory system that does not participate in gas exchange, such as in the trachea and bronchi. Physiological dead space includes both anatomical dead space and any alveoli that are ventilated but not perfused with blood, leading to inefficient gas exchange.

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Q: What is difference between anatomical dead space and phyiological dead space?
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