前言血液对生命是极为重要的,所以人类赋于血液以宗教神话的色彩。人们对于“出血致死”的了解只是对可能出现的事故加以正确的文字性描述。他们并不了解循环于血液当中的细胞都有一定的寿命。这些细胞必须被不断更替.虽然这一过程较出血为缓慢些,但如果丧失这种更替功能,其后果将与出血是一样的严重。受到高剂量放射线照射后,人在一个月左右的时间内即可死亡。其原因是被 Foreword Blood is extremely important to life, so humans are endowed with blood in the color of religious myths. People know about “lethal bleeding” only to correct the text description of possible accidents. They do not understand that cells circulating in the blood have a certain life span. These cells have to be constantly replaced, and although this process is slower than bleeding, the consequences of losing this turnover function will be as severe as the bleeding. After being exposed to high doses of radiation, people die within a month or so. The reason is that