生、老、病、死是自然现象,也是自然法则和规律,虽然不能违抗,但是通过适宜的运动、合理的调节,却可以减少疾病、保持健康,延缓衰老。体育教师更应该了解科学健身的知识和方法。保证自身健康的同时,指导他人获得健康。衰老是生物体细胞、组织、器官在结构和功能上表现出来的种 Health, old age, sickness and death are natural phenomena and laws and laws of nature. Although they can not be defied, proper exercise and reasonable adjustment can reduce disease, stay healthy and delay aging. Physical education teachers should understand the knowledge and methods of scientific fitness more. To ensure their own health, while guiding others to get healthy. Aging is the species and structure of organism cells, tissues and organs