It involves no viruses and is a foolproof method to create cardiac cells that beat, they say.
该方法无需使用病毒，而且是个创造心肌细胞的极其简单的方法，他们说道。
2
Cardiac muscle cells, or cardiomyocytes, are what makes the heart beat.
心脏肌肉的细胞，即心肌细胞，是使心脏跳动的细胞。
3
A cardiac arrest is a disruption of the electrical signals that trigger heartbeats, causing the heart to beat erratically so that it does not pump blood effectively.