Answer:
Maintaining an isotonic environment for the cell ensures that the cell does not shrink or swell due to water.
Step-by-step explanation:
If the cell was in a hypotonic solution, water would rush in the cell causing it to burst, and if it was in a hypertonic solution it would cause water to move out of the cell, causing the cell to shrivel. It is important that the cell is always in a solution with an almost equal electrolyte solution inside the cell