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在现实生活中,“返老还童”虽不能实现,但“预防”衰老却是可行的。人到老年,机体各器官的功能都相对减弱了。但是,衰老不会同时在各个器官里发生,也不会同时影响各器官的功能。感觉器官、神经细胞、肌肉和内脏不会以同一个节奏老化,而且,每个人因情况不同,衰老的方法、时间也各不相同。为了预防衰老,老年人最好经常进行体育活动。运动不仅能使老年人活得长,而且能使他们活得好。人到老年,骨头比较僵硬,关节变得不灵活,肾功能和神经系统比较脆弱,其他功能和组织也比较衰弱,头脑变得比较迟钝。所以,老年人进行体育活动
In real life, although “rejuvenation” can not be achieved, “prevention” of aging is feasible. When people reach old age, the functions of various organs in the body are relatively weakened. However, aging does not occur in all organs at the same time and does not affect the function of various organs at the same time. Sensory organs, nerve cells, muscles, and internal organs do not age at the same pace, and each person’s age varies from person to person and time varies. In order to prevent aging, it is better for the elderly to have regular physical activity. Exercise can not only make older people live longer, but also make them live well. People to old age, the more rigid bones, joints become inflexible, renal function and nervous system is more fragile, other functions and organizations are also relatively weak, the brain becomes more sluggish. Therefore, the elderly to carry out sports activities