2. Sports is a social and cultural phenomenon or educational process with physical activity as the medium, with the direct purpose of seeking individual physical and mental health and all-round development and the ultimate goal of cultivating perfect social citizens. Physical education is to enhance physical fitness and promote health through physical exercise.
3. The World Health Organization puts forward that "health is not only the absence of disease and physical weakness, but also a good state of maintaining physical, mental and social adaptation." As we all know, there are many factors that affect health, such as heredity, natural environment, education, living habits, personality psychology, nutrition, physical exercise, social and cultural environment and so on.
4. "Life lies in sports". Physical exercise plays an important role in human health and is the most positive way to promote physical health. Scientific physical exercise can not only enhance the immune function of human organs and systems, but also comprehensively promote the metabolism and normal development of the body. It can also temper the will, cultivate self-confidence, improve the ability to resist setbacks, cultivate good temperament, and enhance social and adaptability.
5. Physical exercise can not only exercise physical fitness and promote people's mental health development, but also improve people's ability to adapt to society, promote social communication and friendship, and realize the triple health of physical, psychological and social communication. Therefore, exercise and health are inseparable.