Physiologically:

1, physical exercise is conducive to the growth of human bones and muscles, enhance cardiopulmonary function, improve the functional state of blood circulation system, respiratory system and digestive system, and is conducive to human growth and development, improve disease resistance and enhance the adaptability of the body.

2. Reduce the chances of children suffering from heart disease, hypertension, diabetes and other diseases in adulthood.

3. Physical exercise is one of the most active and effective means to enhance physical fitness.

It can reduce your risk of premature aging.

5. Physical exercise can improve the regulation function of nervous system, improve the ability of nervous system to judge complex changes in human activities, and make coordinated, accurate and rapid responses in time; Make the human body adapt to the changes of the internal and external environment and maintain the normal life activities of the human body.

Psychologically:

1, physical exercise has the function of regulating human tension, improving physical and psychological state and restoring physical strength and energy;

2. Physical exercise can improve physical health, make the tired body have a positive rest, and make people energetically engage in study and work;

3. Stretching your body and mind will help you sleep and eliminate the pressure brought by reading.

4. Physical exercise can cultivate sentiment, maintain a healthy mentality, give full play to individual enthusiasm, creativity and initiative, thus improving self-confidence and values, and making personality develop healthily and harmoniously in a harmonious atmosphere;

Team events and competitions in physical exercise can cultivate people's spirit of unity, cooperation and collectivism.

Teenagers are an important turning point in people's life when their physical and mental development tends to mature. At this time, you will be surprised to find that there are many unprecedented changes in physical and psychological aspects, and you obviously feel that you have grown up. With the improvement of people's living standards and cultural quality, "everyone has a love of beauty", so we should thrive in sports and keep fit in sports.

Disadvantages of not exercising:

The World Health Organization estimates that the number of deaths caused by lack of exercise exceeds 2 million every year in the world. Note: No exercise will reduce the body's immunity, and some diseases and viruses cannot be effectively immunized, which will lead to sudden death. There is another important situation. If children don't have enough physical exercise, their brains will not develop well, which will affect their intelligence.

Sports opportunities in daily life:

Take more stairs and less elevators.

Strive for opportunities to walk more and take fewer cars.

When watching TV, you can do some stretching exercises during advertising time, such as bending over and kicking your feet.

Exercise regularly with classmates or friends, such as jogging, playing badminton, swimming, etc. And cultivate their interest in individual sports and develop regular exercise habits.