One class of them is beta-blockers, they bind to beta-adrenergic receptors, which are receptors that exchange information between your nervous system and the contractile system that beats your heart and that causes the heartbeat.

一类药物是β阻断剂,它们与β肾上腺素受体结合,这种受体能够在神经系统和,控制心跳的心肌收缩系统之间传递信息,从而产生心跳

耶鲁公开课 - 生物医学工程探索课程节选

How do your kidneys know what the status is of inside your blood, They know that because they receive signals from the endocrine system and the nervous system.

肾脏何以得知血液组分的状态,它们能够知道这些是因为它们接收到,来自内分泌系统和神经系统的信号

耶鲁公开课 - 生物医学工程探索课程节选