Student Dictionary

2 entries found for respiration.
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Main Entry: res·pi·ra·tion
Pronunciation: secondarystressres-pschwa-primarystressramacr-shschwan
Function: noun
1 : the act or process of breathing
2 : the physical processes (as breathing and diffusion) by which a living thing obtains the oxygen it needs to produce energy and eliminate waste gases (as carbon dioxide)
3 : any of various chemical reactions (as oxidation) in cells that release energy from food molecules (as glucose)

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