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春天,暖风轻拂,阳光和煦。但是,暖洋洋的天气,却常使人感到懒洋洋的。这是为什么呢? 原来,人体的生理功能可随着气温高低的转换而相应调节。冬天,气温较低,人体为了适应寒冷环境、保护体内温度、防止热量散失,皮肤和微血管处于紧张收缩的状态。由于体温调节中枢在不断发布一系列调节热
Spring, warm breeze, warm sunshine. However, the warm weather, but often people feel lazy. Why is this? It turned out that the physiological function of the body can be adjusted as the temperature changes. Winter, the temperature is low, the body in order to adapt to the cold environment, protect the body temperature, prevent heat loss, skin and microvascular in a state of tense contraction. As the thermoregulatory center is constantly releasing a series of regulatory heat