Calcium is important in the physiologic process of muscle or nervous reaction, nervousimpulse transmission, heartbeat rhythm maintenance, blood solidification, cell coherence and so on.
在神经，肌肉应激，神经冲动的传递，心动节律的维持，血液凝固，细胞粘着等生理过程中，具有重要的意义。
2
When a muscle is contracted a nerve impulse is relayed to the brain, triggering other neuronal circuits and nervous centers.
当一块肌肉发生收缩时，一个神经脉冲就传递给大脑，要求其打开另外的神经元电路和神经区。
3
Restlessness, nervous haste, and rashness can be something of a problem, for you act on impulse and may be out of sync with your environment.