title: Opioid peptide interactions with respiratory and circulatory systems.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001794:Blood Pressure / Q000187:drug effects; D001933:Brain Stem / Q000378:metabolism; D002339:Carotid Arteries / Q000294:innervation; D002415:Cats; D002628:Chemoreceptor Cells / Q000502:physiology; D004723:Endorphins / Q000494:pharmacology / Q000502:physiology*; D009020:Morphine / Q000494:pharmacology; D009270:Naloxone / Q000494:pharmacology; D018377:Neurotransmitter Agents / Q000378:metabolism; D051381:Rats; D011957:Receptors, Opioid / Q000378:metabolism; D012119:Respiration / Q000187:drug effects; D012769:Shock / Q000503:physiopathology
chemical_list: D004723:Endorphins; D018377:Neurotransmitter Agents; D011957:Receptors, Opioid; D009270:Naloxone; D009020:Morphine