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Message: <blockquote data-quote="hanadr" data-source="post: 118623" data-attributes="member: 8110">Patch, the saline drip is at the same osmotic potential as blood plasma( it's isotonic) If it were  a lower OP, it would burst the red cells as too much water entered them. If too concentrated, it would cause the red cells to loose their contents and shrivel up. As I said in my previous post, salt is essential to life. Hana PS you can obsrerve the same phenomenon in pieces of potato. Cut potato sprinkled with salt, loses water. Potato put into water, takes up loads and swells. Plant cells however don't burst, because they have a semi-rigid cell wall, which animal cells don't.</blockquote>

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