Sodium ions are more highly concentrated outside the cell, in the extracellular fluid. Which process would be used to return any sodium ions that leaked into the cell back to the extracellular fluid:

A. active transportB. osmosisC. facilitated diffusionD. ecocytosisR. simple diffusion

Active transport

Explanation:

The movement of the ions across membrane take place by the help of the process known as active transport.

As the concentration of the sodium ions are more outside the cell, its concentration is more and the cells which accidentally moved in needs to move out.

This movement of the ions will require energy because it is against the concentration gradient.

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