title: Evaluation of heart rate changes during exercise on a bicycle ergometer.
mesh_terms: D000293:Adolescent; D002245:Carbon Dioxide / Q000096:biosynthesis; D002648:Child; D006339:Heart Rate; D006801:Humans; D008954:Models, Biological; D010101:Oxygen Consumption; D005082:Physical Exertion
chemical_list: D002245:Carbon Dioxide