It's not that all these layers are wrapped around the nervous system and the endocrine system.

不是所有功能,都围绕着神经系统和内分泌系统展开的

耶鲁公开课 - 生物医学工程探索课程节选

That's what leads to some of the complexity of function of the nervous system.

这就是导致,神经系统功能多样性的原因

耶鲁公开课 - 生物医学工程探索课程节选

I'm using it just to make the point, which you already know about; that the nervous system is complex in it performs a complex set of functions.

我想通过这张图片阐述一些,你们已经知道的知识,即神经系统是一个,功能复杂的复合体

耶鲁公开课 - 生物医学工程探索课程节选