if the medium surrounding the cell has a higher water concentration then the cell meaning that the outside solution is very dilute the cell will grain water by osmosis. such a solution is known as hypotonic solution of water molecules are free to pass across the cell membrane is the both direction but more water will come into the cell then will leave. the net overall result that water enters the cell the cell is likely to swell up
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if the medium surrounding the cell has a higher water concentration then the cell meaning that the outside solution is very dilute the cell will grain water by osmosis. such a solution is known as hypotonic solution of water molecules are free to pass across the cell membrane is the both direction but more water will come into the cell then will leave. the net overall result that water enters the cell the cell is likely to swell up