You could potentially learn a lot about its function by looking at how it moves, not just a static picture of it.

你会有可能通过观察心脏的跳动,而不仅仅是通过静态的造影图,来了解它的功能

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The beat's kind of like the heartbeat.

节拍有点像心脏的跳动

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So, there's a continuum of electrical connection in the heart that allows an action potential to sweep across the surface of the heart and for the heart to beat in a coordinated fashion.

所以 心脏细胞有电偶联的连结组织,以使动作电位平稳在细胞表面传递,保证心脏的协调性跳动

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