pacemaker cells

例句：

1. 1. Pacemaker cells are responsible for maintaining the normal heart rhythm.
   起搏器细胞负责维持正常的心脏节律。
2. 2.The pacemaker cells in the heart are essential for proper functioning of the heartbeat.
   心脏中的起搏器细胞对于心脏的正常跳动至关重要。
3. 3. Researchers have discovered new ways to stimulate and regulate pacemaker cells, potentially improving heart health.
   研究人员发现了新的刺激和调节起搏器细胞的方法，可能有助于改善心脏健康。