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宇宙间,一切事物运动是绝对的,静止是相对的。一个健康人,让他躺在床上20天不活动,起来时一定会头晕腿软,体力明显下降,这说明人不运动不行。一定量的运动,可使人心率增快,心脏功能血量增加,心肌力量增强。经常运动的人,心脏功能明显强于不爱运动的人。运动使血流加快,供给各器官的氧和营养物质增加,器官功能增强从而起到健身的作用。运动时,呼吸加深加快,肺活量增大,肌肉力量增强,锻
In the universe, everything is absolute and still is relative. A healthy person, let him lie in bed for 20 days inactivity, up will be dizzy and leg muscles, physical strength decreased significantly, indicating that people do not exercise not work. A certain amount of exercise, can make people faster heart rate, heart function, blood volume, myocardial strength. Regular exercise, heart function was significantly stronger than those who do not love sports. Exercise to speed up the blood flow, oxygen supply to various organs and nutrients increase organ function to play a fitness role. Exercise, breathing deepened, increased vital capacity, muscle strength, forging