EPU

例句：

1. 1. The EPU is responsible for regulating the heart rate.
   EPU负责调节心率。
2. 2. The EPU is a crucial component of the brain's communication system.
   EPU是大脑通讯系统的关键组成部分。
3. 3. The EPU is responsible for transmitting electrical signals to the muscles.
   EPU负责将电信号传递给肌肉。