Научно-исследовательский институт физико-химической биологии им. А.Н. Белозерского
The authors have revealed the tension of cardiovascular performance in 11-14-year-old children and adolescents with the macrosomatotype (MaS) and a lower bronchial patency in 13-14-year-old adolescents in the winter-spring period. This points to the decreased reserves of the cardiorespiratory system in the teenagers with MaS during their adaptation the environment of the north-east of Russia.