Dead space

Rarity: Common

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At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

Dead space is the volume of air that is inhaled that does not take part in the gas exchange, because it either remains in the conducting airways or reaches alveoli that are not perfused or poorly perfused. It means that not all the air in each breath is available for the exchange of oxygen and carbon dioxide.

Excerpt from the Wikipedia article “Dead space (physiology)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia