In the heart, action potential is moving from one heart muscle cell to another over the surface of the heart.

在心脏中，动作电位是在心脏表面从一个心肌细胞向另一个心肌细胞传递。

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Then why does muscle cell need an increase of sugar intake?

那么，肌细胞为什么要增加糖的摄取。

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Muscle cell electrolyte composition is essential for nerve-muscle contraction force.

肌肉细胞电解质的组成是不可或缺的神经，肌肉收缩力。

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Now, in the heart action potential is moving from one heart muscle cell to another over the surface of the heart.

心脏中的动作电位,沿相邻心肌细胞在心脏表面传递

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The heart muscle contracts and relaxes when calcium is released from a reservoir inside into the muscle cell and then pumped back quickly.

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Scientists have already identified the genes responsible for building muscle and increasing red cell production.

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The long-term hope is to treat patients with some sort of stem cell that could turn into beating heart muscle and replace dead cardiac tissue with fully functioning new cells.

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