Template:POTD/2007-07-23
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| Picture of the day | |
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An illustration showing the effects of osmotic pressure on red blood cells. On the left, the cells are in a hypertonic environment, causing water to flow across the cell membrane out of the cell. Cells are shown in an isotonic environment in the center, and in an hypotonic solution on the right. Image credit: Mariana Ruiz |
