Seasonal changes of the static pulmonary volumes and capacities at children of the advanced school age, inhabitants of the European North

Within a year (winter, spring, summer and autumn) spirographic examination of the same group of almost healthy children – 35 boys (16,3±0,1 years) and 35 girls (16,6±0,2 years), natives of Arkhangelsk is conducted. It is established that in a transition period from a warm season to cold (autumn) at surveyed children is observed increasing of functionality of external respiration system and respiration level. It was revealed at boys in autumn increasing VC, in the winter – IRV, and TV; at girls in autumn were observed the maximal of VC, TRV, RV.