两者互相交换调节，彼此都有机会休息。

Both exchange regulation, each have the opportunity to rest.

youdao

These two systems which are shown in the core of this diagram really are responsible for regulating and exchanging information between the other organ systems.

在这张图的中心画的就是这两个系统,它们的功能是调节其他系统,并与之交换信息

耶鲁公开课 - 生物医学工程探索课程节选