To breathe or not to breathe.
D000759:Adjuvants, Anesthesia / Q000009:adverse effects*; D000777:Anesthetics / Q000009:adverse effects*; D000818:Animals; D002628:Chemoreceptor Cells / Q000187:drug effects; D003864:Depression, Chemical; D006801:Humans; D011659:Pulmonary Gas Exchange / Q000187:drug effects; D012119:Respiration / Q000187:drug effects*; D014692:Ventilation-Perfusion Ratio / Q000187:drug effects
D000759:Adjuvants, Anesthesia; D000777:Anesthetics