每个人都品尝或体味过疲劳的滋味,也都知道休息是消除疲劳的最佳方法。那么,我们能永不疲劳吗?生理学知识告诉我们,疲劳的产生是有物质基础的,这就是细胞在新陈代谢过程中不断地释放二氧化碳、乳酸等“废物”。当然,人体 Everyone tastes or appreciates the taste of fatigue, and also knows that rest is the best way to eliminate fatigue. So, can we never be fatigued? Physiological knowledge tells us that there is a material basis for the production of fatigue, which is the constant release of carbon dioxide, lactic acid and other “wastes” from the cells during the metabolic process. Of course, the human body