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TAKE THE QUIZpreoxygenation
noun
pre·ox·y·gen·ation
-ˌäk-si-jə-ˈnā-shən, -äk-ˌsij-ə-
: inhalation of large quantities of essentially pure oxygen usually as a prelude to some activity or medical procedure in which it is desirable to minimize nitrogen and maximize oxygen in the blood and tissues
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Merriam-Webster unabridged
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- Often used to describe “the march of time,” what does inexorable mean?


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