生物学生命或生物的科学，包括其结构、机能、生长、起源、进化及分布。包含植物学和动物学及所有的分支 The science of life and of living organisms, including their structure, function, growth, origin, evolution, and distribution. It includes botany and zoology and all their subdivisions.
盐在调节身体的机能方面扮演着重要的角色。 Salt plays an important part in the function of the body.
生理的，生理机能的，生理上正常的根据有生命的有机体正常功能的，或具有此特征的 Being in accord with or characteristic of the normal functioning of a living organism.
组织是一组具有相同的一般机能的类似细胞。 A tissue is a group of similar cells which have an identical general function.
