I exercise and I am happy blackboard poster content

First write about the benefits of exercise, then the disadvantages of not exercising, make a sharp contrast, and then draw some cartoons about exercise or characters who are exercising, and talk about when to exercise and how to exercise correctly. etc. .

The benefits of exercise include: Physiologically:

1. Physical exercise is beneficial to the growth of human bones and muscles, enhances cardiopulmonary function, and improves the blood circulation system, respiratory system, and digestive system. The functional status is beneficial to the growth and development of the human body, improves disease resistance, and enhances the organism's adaptability.

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

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

4. It can reduce your risk of premature aging.

5. Physical exercise can improve the regulatory function of the nervous system, improve the nervous system's ability to judge the intricate changes in human body activities, and make timely, coordinated, accurate and rapid responses; enable the human body to adapt to the changes in the internal and external environment. Change and maintain the normal progress of the body's life activities.

Psychologically:

1. Physical exercise has the effect of regulating the body's nervousness, improving physiological and psychological conditions, and restoring physical strength and energy;

2 , Physical exercise can improve physical health, give the tired body a positive rest, and enable people to devote themselves to study and work energetically;

3. Stretch the body and mind, help sleep and eliminate the stress caused by reading< /p>

4. Physical exercise can cultivate sentiments, maintain a healthy mentality, give full play to individual enthusiasm, creativity and initiative, thereby improving self-confidence and values, so that personality can achieve healthy and harmonious development in a harmonious atmosphere. ;

5. Group projects and competition activities in physical exercise can cultivate people's unity, collaboration and collectivism spirit.

Adolescence is an important transition period in a person's life when his 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 will obviously feel that I have grown up. As people's living standards and cultural quality improve, "everyone has a love for beauty." We must thrive in sports and stay fit in sports.

Disadvantages of not exercising:

The World Health Organization estimates that the number of deaths worldwide due to lack of exercise exceeds two million every year. Note: Not exercising will weaken the body’s immunity. The ability is reduced, and certain diseases and viruses cannot be effectively immunized and induce sudden death. There is another important situation. If children do not get enough physical exercise, their brain development will not be very good, which will affect their intelligence.

Exercise opportunities in daily life:

·Use the stairs more and take the elevator less.

·Strive for more opportunities to walk and less by car.

·When watching TV, you can do some stretching exercises during commercial breaks, such as bending down and kicking your feet.

·Do regular exercises with classmates or friends, such as jogging, playing badminton, swimming, etc., and cultivate your own interest in individual sports and develop regular exercise habits.

Scientific fitness exercise and appropriate labor have many benefits for the body, mainly including: 1. Exercise has a good stimulating effect on the central nervous system and endocrine system. Exercise can promote blood circulation throughout the body, enhance cell and tissue metabolism, facilitate the supply of oxygen and nutrients to various systems of the body, and enhance the functions of various organs of the human body; it can also delay the decline of the body's capabilities and delay the deterioration of the structure and function of various tissues and organs of the human body. Decline, energizing. 2. Exercise can reduce fat accumulation in the body and reduce weight. Exercise requires energy, and the energy mainly comes from fat. Therefore, exercise can reduce weight, thereby reducing the burden on the heart, and maintain body shape, achieving the effect of bodybuilding. 3. Exercise can regulate emotions and make the body and mind happy. Theory and practice have proven that frequent activities in the natural environment can regulate people's emotions and make people feel cheerful and refreshed. At the same time, participating in various sports can cultivate a cheerful and peaceful mentality, which is conducive to establishing good interpersonal relationships. 4. Exercise can enhance cardiovascular function. Regular exercise can enhance the contractility of the heart, increase the stroke volume and cardiac index of the heart, slow down the heart rate, and enhance the reserve function of the heart. Physical exercise can also reduce total cholesterol and low-density lipoprotein in the blood and increase high-density lipoprotein, thereby preventing the occurrence of atherosclerosis.

5. Exercise can improve the function of the nervous system. Fitness exercise has a significant effect on delaying the aging of the nervous system, which is mainly reflected in the significantly enhanced memory compared with before exercise, the body's responsiveness to external stimuli, and the improvement in attention and analysis and comprehensive abilities to varying degrees. 6. Exercise can enhance the function of the respiratory system. The main effects of exercise on respiratory function include increasing vital capacity, enhancing gas exchange in the lungs and tissues, and improving the oxygen uptake capacity and utilization of oxygen by tissue cells. 7. Exercise can continuously improve the function of the digestive system and promote metabolism. Middle-aged and elderly people can increase appetite, promote the secretion of digestive enzymes, improve gastrointestinal kinetics, and improve the absorption and utilization of exogenous nutrients through fitness exercises. At the same time, fitness exercise can also accelerate the use of heat energy in the body, prevent and reduce the accumulation of fat in the body, and keep the body's sugar metabolism, fat metabolism, protein metabolism and free radical metabolism in a stable and balanced state. 8. Exercise can improve the body’s immune function. Studies have shown that exercise can improve the transformation ability of lymphocytes, stimulate B cells to secrete specific antibodies, and enhance the body's cellular immunity and humoral immunity. Exercise can also increase the phagocytic function of macrophages and help remove free radicals in the body. 9. Exercise can promote brain development and intelligence and improve memory. Human intellectual activities mainly rely on the movement of the brain, which accounts for one-quarter of the blood supply and one-fifth of the oxygen consumption required by the human body. Exercise increases the blood volume passing through the brain, which not only delays the aging of brain cells, but also improves the reaction speed of nerves. It has been scientifically proven that sports can promote the development of the brain and cause the brain to release a special chemical substance that makes people feel happy. It has a good effect on developing intelligence and improving memory. In addition, running, walking, climbing, etc. are always accompanied by indescribable comfort, which is related to the secretion of powerful hormones in the body - endorphins. Endorphins are secreted during endurance activities and have analgesic effects. Biological psychologists have also discovered that when a person is happy, a chemical substance - "endorphine" is produced in the body. Under normal circumstances, the concentration of "endorphine" in the human body is not high, but if a large amount is extracted and injected into the spinal cord and In the brain, it will make people feel relaxed and produce a "sense of laughter". In a happy mood, people's mental state is optimistic. All in all, exercise can improve physical fitness, enhance disease prevention and resistance, improve immunity, improve intelligence and brain, and make people happy and happy, thereby maintaining physical and mental health, improving quality of life, and prolonging life.