title: [Heart rate control by the parasympathetic nervous system].
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D006339:Heart Rate; D010275:Parasympathetic Nervous System / Q000502:physiology*
chemical_list: D000109:Acetylcholine