身体任何时候都需要氧气,坐卧时需要量少,慢慢散步时居次,奔跑或游泳时耗氧量更多。许多人都有过这样的体验,跑上十几步或者上几层楼,呼吸频率会加快,重者气喘吁吁,心跳不止,久久不能恢复平静,这是因为爬楼是一个身体作功过程,速度越快,身体对氧气需求量越多。当储存在 Oxygen is needed at any time in the body, with less need to sit and lie down, take the time to walk slowly, run more oxygen when running or swimming. Many people have had such an experience, running a few steps or a few floors, respiratory rate will be accelerated, heavy breathless, heartbeat more than a long time can not be restored to calm, it is because climbing the stairs is a body work process, The faster, the more oxygen your body needs. When stored in