Breathing gas

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Notion

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Science and technology

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What Wikipedia says

A breathing gas is a mixture of gaseous chemical elements and compounds used for respiration. Air is the most common and only natural breathing gas, but other mixtures of gases, or pure oxygen, are also used in breathing equipment and enclosed habitats. Oxygen is the essential component for any breathing gas.

Excerpt from the Wikipedia article “Breathing gas”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Official Navy Page from United States of America Mass Communication Specialist Seaman Apprentice Madailein Abbott/U.S. Navy, Public domain, via Wikimedia Commons.