Somebody with apraxia can move, do simple movements just fine but they can't coordinate their movements.

失用症患者是可以行动的,可以做简单的动作,但是他们无法协调他们的动作

耶鲁公开课 - 心理学导论课程节选

The cerebellum is responsible for body balance and muscular coordination.

小脑负责维持身体平衡,与协调动作

耶鲁公开课 - 心理学导论课程节选

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

耶鲁公开课 - 生物医学工程探索课程节选