As a result of the beneficial effects of properly selected physical activities, immunity is strengthened, blood composition is improved. Physically active people have an increased number of lymphocytes and erythrocytes, they get sick less often, and in case of illness, they cope with the illness more easily. Nothing is more important than a person's health, and in order for a person to be healthy, it is necessary to engage in sports. Everyone should know this! That's why the programs of all pre-school, school and higher education institutions include the direction of physical education of children and adolescents. Every person's motto should be: "Movement is life!".