10. What if you placed the same cells into pure, distilled water (0% saline solution)? (Circle one answer.) The cells were immersed in a hypotonic/isotonic/hypertonic solution. 11. What if you put the same cells in a 2% saline solution? (Circle one answer.) The cells were immersed in a hypotonic/isotonic/hypertonic solution. 12. Based on your understanding of osmosis, why is it very important for intravenous fluids given in a hospital to have the same osmotic concentration as your own cells and body fluids?

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Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.