Now, if that potential changed and it stayed changed forever, then the cell would never go back to its resting state.

如果电势变化并且不再恢复到原始电势,细胞就永远不会回到静息状态

耶鲁公开课 - 生物医学工程探索课程节选

All cell membranes have these channels within them, and under their resting conditions sodium is moving from outside to inside, potassium's moving from inside to outside.

所有细胞膜上都有这种通道结构,在静息状态下,钠从细胞外流向细胞内,钾从细胞内流向细胞外

耶鲁公开课 - 生物医学工程探索课程节选