title: Physical training, bradycardia, and autonomic nervous system.
mesh_terms: D000328:Adult; D001285:Atropine / Q000494:pharmacology; D001341:Autonomic Nervous System / Q000187:drug effects / Q000502:physiology*; D005080:Exercise Test; D006329:Heart Conduction System; D006339:Heart Rate; D006801:Humans; D008297:Male; D010101:Oxygen Consumption; D010806:Physical Education and Training; D005082:Physical Exertion; D011433:Propranolol / Q000494:pharmacology
chemical_list: D001285:Atropine; D011433:Propranolol