The lack of data on the state of the respiratory system of athletes in ecologically unfavorable conditions and contradictory information about the impact of physical activity on it against the background of adverse environmental factors determined the relevance of this study. The aim of the study is to reveal the regularities of changes in the functional parameters of respiratory system of young athletes in terms of man - made pollution. The results of the research of external respiration in young athletes and individuals not involved in sports, from ecologically different regions reveal a higher level of the functional state of the respiratory system in individuals of ecologically relatively clean area, regardless of the sports that appear slowing of breathing rate, the higher vital capacity of the lungs, significant excess of the proper level of lung capacity, higher rates of living index and samples of Rod and hence. In young men, regularly engaged in athletics on the system of training, calculated adequately to health and taking into account the functionality of the body, the restoration of adaptive reserves of the respiratory system occurs faster and more fully, which helps to neutralize the negative impact of toxic and chemical pollution on the body
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