Third-person singular simple present indicative form of respire.(verb)
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Use "respires" in a sentence
"In warmer regions, the vine burns - or "respires" - malic acid, transforming it into water, carbon dioxide and, most important, energy, which the plant uses for other physiological functions."
"Numerous cases could be given among the lower animals of the same organ performing at the same time wholly distinct functions; thus in the larva of the dragon-fly and in the fish Cobites the alimentary canal respires, digests, and excretes."
"Here where nothing respires, nor is any drawing of energy invoked."