by Aron Grizzle
In a Isotonic solution water moves into, and out of the cell at the same rate of speed, which helps the cell stay the same size.
In the hypotonic solution water will enter the cell, but the water is not diffusing fast enough, and the cell starts to swell.
In a hypertonic solution water will leave the cell by osmosis causing the cell to shrink.
Examples of what the cells look like
The movement of water across a selective membrane depending on the amount of solutes on either side of the membrane.