论文部分内容阅读
科学家为了探讨不同年龄对寒冷刺激的反应,做了如下动物实验:将不同龄的小白鼠分为青年鼠、中年鼠、老年鼠三组,分别浸入相同温度的冷水中各3分钟,然后捞出,
Scientists in order to explore the different ages of the response to cold stimulation, made the following animal experiments: different age mice divided into young mice, middle-aged rats, aged rats three groups were immersed in cold water at the same temperature for 3 minutes, and then fishing Out,