死亡的过程分濒死期、临床死亡期和生物学死亡期；

The death process is divided into periods of dying, clinical death and biological death;

youdao

生物学也不能解释为什么高收阶层和低收入阶层的妇女在健康问题和主要死亡和残疾原因方面存在如此巨大的差异。

Biology cannot explain why the health problems and the leading causes of mortality and disability differ so dramatically between women in high - and low-income groups.

youdao

同样，也没有生物学机理可以说恐惧本身能够导致死亡。

Similarly, there is no biological mechanism by which fear, by itself, can kill.

youdao

As I say, it's the sort of thing that somebody from the medical school or a biologist or a physiologist or something could describe for us.

就像我说的,这就是一些,医学院的人,生物学家或生理学家,向我们描述的死亡

耶鲁公开课 - 死亡课程节选