excitation-contraction coupling

例句：

1. 1. The heart's contractions are tightly coupled with the electrical signals from the brain.
   心脏的收缩与大脑的电信号紧密相连。
2. 2.This protein is crucial for the proper functioning of the cell membrane, which is coupled to the excitation-contraction coupling in the muscle cells.
   这种蛋白质对于细胞膜的正常功能至关重要，而细胞膜与肌肉细胞中的兴奋收缩耦合密切相关。
3. 3. The study revealed that the coupling between the two systems plays a key role in the regulation of heartrate and blood pressure.
   研究发现，这两个系统之间的耦合在调节心率和血压方面起着关键作用。