title: Control mechanisms of whole number ratios of heart rate and breathing frequency.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000494:pharmacology; D000758:Anesthesia; D000818:Animals; D001794:Blood Pressure; D004285:Dogs; D004947:Esophagus; D006321:Heart / Q000294:innervation; D006339:Heart Rate; D008433:Mathematics; D009475:Neurons, Afferent / Q000502:physiology; D009476:Neurons, Efferent / Q000502:physiology; D010275:Parasympathetic Nervous System / Q000502:physiology*; D005082:Physical Exertion; D010994:Pleura; D011312:Pressure; D011433:Propranolol / Q000494:pharmacology; D012119:Respiration / Q000187:drug effects; D013147:Spirometry; D013390:Succinylcholine / Q000494:pharmacology; D013564:Sympathetic Nervous System / Q000502:physiology*; D014630:Vagus Nerve / Q000187:drug effects / Q000502:physiology*
chemical_list: D000319:Adrenergic beta-Antagonists; D011433:Propranolol; D013390:Succinylcholine