respire
     v 1: breathe easily again, as after exertion or anxiety
     2: undergo the biomedical and metabolic processes of
        respiration by taking up oxygen and producing
        carbonmonoxide
     3: draw air into, and expel out of, the lungs; "I can breathe
        better when the air is clean"; "The patient is respiring"
        [syn: {breathe}, {take a breath}, {suspire}]
Source: WordNet® 2.0