时值严冬,由于天气寒冷,许多人不愿意再参加体育活动,这种做法是不正确的。运动对于人体养生保健具有非常重要的作用。特别是寒冷的冬季,经常参加体育锻炼,能提高中枢神经系统的兴奋性,改善体温调节中枢的功能,增强人体抵御疾病的能力。 When the weather is cold, many people are reluctant to participate in physical activities because of the cold weather. This is not correct. Exercise for human health care has a very important role. Especially in the cold winter, often participate in physical exercise, can increase the excitement of the central nervous system, improve the function of the body temperature regulation center, enhance the body’s ability to resist the disease.