Neural regulation of the heart beat.
D000818:Animals; D006321:Heart / Q000294:innervation / Q000502:physiology*; D006329:Heart Conduction System / Q000502:physiology; D006801:Humans; D010275:Parasympathetic Nervous System / Q000502:physiology; D012849:Sinoatrial Node / Q000502:physiology; D013564:Sympathetic Nervous System / Q000502:physiology; D014630:Vagus Nerve / Q000502:physiology