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春夏之交,季节转换,冷暖不定的天气易使血管收缩,血压升高,很容易造成血液粘稠度增高,血流缓慢,血液中血红蛋白的数量随之减少,携带和输送氧的能力也大大下降,致使心脑组织供氧不足。
The turn of the spring and summer, the season changes, the weather is easy to make warm and unstable vasoconstriction, blood pressure, it is easy to cause increased blood viscosity, blood flow is slow, the amount of hemoglobin in the blood decreases, the ability to carry and transport oxygen Greatly decreased, resulting in insufficient oxygen supply to heart and brain tissue.