title: Physical training, maximal oxygen uptake and dimensions of the oxygen transporting and metabolizing organs in boys 11-13 years of age.
mesh_terms: D000293:Adolescent; D001823:Body Composition; D001824:Body Constitution; D001827:Body Height; D001830:Body Surface Area; D001835:Body Weight; D002306:Cardiac Volume; D002648:Child; D005500:Follow-Up Studies; D006128:Growth; D006339:Heart Rate; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D007773:Lactates / Q000097:blood; D008297:Male; D008722:Methods; D009132:Muscles / Q000033:anatomy & histology; D010101:Oxygen Consumption; D010806:Physical Education and Training; D010809:Physical Fitness; D011188:Potassium / Q000032:analysis; D012119:Respiration; D013147:Spirometry; D013737:Testis / Q000033:anatomy & histology; D013997:Time Factors
chemical_list: D006454:Hemoglobins; D007773:Lactates; D011188:Potassium