The physiological features of cardiovascular and respiratory systems among immigrants of Far North are analyzed. It is established that changes in cardiovascular and respiratory systems of Far North immigrants are caused by starting of adaptation mechanisms on exposure of extremal ecological factors. With increasing the living period in Far North conditions, the redistribution of static lung volumes and the development of hypertrophy of left ventricle are observed among Far North immigrants.

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statistical analysis acclimatization Cold weather problems Far North respiratory function physiology Echocardiography Respiratory Physiology Respiratory mechanics Adaptation mechanisms Data Interpretation, Statistical human sex difference middle aged lung function test comparative study Time Factors Siberia Cardiovascular Physiology Humans Respiratory Function Tests male female cold climate cardiology Article cardiovascular function adult migration age Sex Factors Age Factors Emigration and Immigration cardiovascular system hemodynamics Russian Federation time