Air pollution reduces breathing capacity in athletes and affects their performance. Some pollutants that cause health disorders, such as tropospheric ozone (O3), particulate matter (PMx), carbon monoxide (CO) have been separately identified. Nitrogen oxides (NOx) and sulfur oxides (SOX). These are usually concentrated in urban centers and are mainly, though not exclusively, caused by normal human activities such as transportation, heating, cooking, and agricultural and industrial activities. The aforementioned factors cause various diseases such as cancer, cardiovascular, respiratory and affect the performance of athletes. Conclusion: During training and physical activity, the amount of oxygen consumption increases and suspended particles, ozone, nitrogen oxide, sulfur oxide penetrates deep into the lungs and even blood flow, which is more common among endurance athletes than in the open air. But the health that sports brings is beyond the harm of air pollution, but still air pollution has a negative effect on the performance of athletes.

Ushbu maqola mamlakatimizda sport sohasida amalga oshirilayotgan islohatlar hamda jismoniy tarbiya va sport menejerlari sohasidagi mutaxassislarni tayyorlash sifatiga qo‘yiladigan modellarga qaratilgan.

Ushbu maqola mamlakatimizda sport sohasida amalga oshirilayotgan islohatlar hamda jismoniy tarbiya va sport menejerlari sohasidagi mutaxassislarni tayyorlash sifatiga qo‘yiladigan modellarga qaratilgan.

In this article, the concept of mask performance in vocal art is explained about the correct placement of the voice and information about it.

Legal psychology is a branch of psychology and law that studies the behavior and psychological states of a person in legal processes and how they affect legal relations. This discipline deals with the analysis of psychological characteristics of criminals, victims, witnesses and other participants in the legal process. Legal psychology uses methods of evaluating human behavior based on experimental methods, questionnaires, surveys and observations. In this direction, the main problems are a deep understanding of crime, a correct analysis of the psychological aspects of legal proceedings, and further improvement of the field of expertise.