Why is it so important for cells to maintain a high sodium ion concentration outside their membranes?​

hmmmThis is important because the increased flow of positively charged potassium ions out of the cell (relative to the rate of Na+ movement into the cell) results in a net negative charge inside the cell; the negative sign in the resting membrane potential represents the negative environment inside the cell relative to the ...

Explanation:

The U.S Civil War started because the North wanted to abolish slavery. The South wanted to keep slavery. The Civil War started because the South didn't want to have slavery abolished. It didn't work out so well for the South because the North won and took over the South land.That is how the U.S Civil War started.

Explanation:i'm Sorry if wrong.