Osmosis in Animal CellsNormal WaterWhen animal cells are exposed to normal water, the concentration of water in the cells and their surroundings are balanced, and the cells retain their normal shape.Salt WaterWhen animal cells are exposed to salt water, the cells contract as water molecules move out, giving them a shriveled appearance.Pure WaterWhen cells are exposed to pure water (no other molecules present) the cells become engorged as water molecules move into them. The cells might even rupture.© Copyright NewPath Learning. All Rights Reserved. 94-4751Visit www.newpathlearning.com for Online Learning Resources.Animal Cell Experiment (using red blood cells)When osmosis occurs in animal cells, the cell will either expand or contract depending on the concentration of water molecules that shift either into or out of the cell.Different water solutions are added to blood cells. Results are observed under a microscope.Osmosis in Red Blood CellsEffects of different concentrations of water on red blood cells (animal cells)same water concentration inside and outside of cellnormal red blood cellThis cell has shrunk because water has moved out of it.This cell has swollen because water has moved into it.low water concentration outside of cellhigh water concentration outside of cellWhen animal cells are exposed to normal water, ttttthhhhe rcccoooonnnnccccennnnttttrrrrratttiiiioooon of water in the cells and their surroundings are balanceeeeedddd,,,, aaandddd tttthhhhheeee ccccells retain their normal shape.When annnniiiimmmmaaaal cells are exposed to ssssaaaalllltttt wwwwaaaattttteeeerr, the cells contract as rwater mmmmoooolllleeeeculllleeeesss mmmmove out, giving themmmm aaaaa ssshriveled appearance.When cells are exposseeeeddddd ttttoo pppuuuurrrreeee water (no other moooolllleeeeccccuuuulllleeeessss ppppresent) the cells become ennngggggooooorrrrgggged as wwwwaaaatttteer mmmmmooooolllleecules move into ttthhhheeeemmmm. The cells might even ruuuuupppptuuuurrre.When osmosis occurs in animal cells, the cell will either expand or contract depending on the concentration of water molecules that shift either into or out of the cell.DDDDDiiiiiiiffffffffffffffffffffffffffffffffffffffffffeeeeeeeeeeeeeerrrrrrrrrreeeeeeeeeeeennnnnnnnnnnt wwwwwaaaaaaaaaaaattttttttttttttteeeeeeeeer solutions areeeeeeeeee aaaaaaaaadddddddddddddddeddddd tttttttttttto blood cells. RRRRRRRRRRRRRRReeeeeeeeeeessssssssssssuuuuuuuuuulllllltttttttttttttssssssssssssss aaaaaaaaaaarrrrrrrrrrrrreeeeeeeeeeee oooooobserrvvvvvvvvvvvvveed uuuuunnnnnnnnnnnnnddddddddddddeeeeeeeeerrrrrrrrr aaaaaaaaaaaaa mmmmmmmmmicrrrrrrrrrrrrroooooooooooooossssssssssccccccccccccccooooooooooooooppppppppppppppe.EEEEEEEEffffffffffffffffffffffffffffffffffffeeeeeeeeeeeeeeccccccccccccccctttttttttttttttssssssssssss ooof diffffffffffffffeeeeeeeeeerrrrrrrrreeeeeeeeeennnttttttttttttt ccccccccccccoooooooooonceeeeeeeeeeeennnnnnnnnnnnnnnnttttttttttttraaaatttttttttttttttttttiiiiiiiiions of water on red blood cells (animal cells)ssssssssssssssammmmmmmmmmmmmmmmmeeeeeeeeeeeeee wwwwwwwwwwwwwaaaaaaaaaaattttttttttteeeeeeeerrrrrrr ccccccccccoooooooooncccccccccccceeeeeeeeeeennnnnnnnnnnnnttttttratiooonnnnnnnn innnnnnnnnsssssssiiiiiiiiiddddddddddddeeeeeeeeee aaaaaaannnnnnddddddddd ooooooouttttttttttttsssssssiiiiiidddddde oooooooooooffffffffffff ccccccelliiiinnnnnnsssssssiiiiiiiiidddddddddddddddddeeeeeeeeeeeeeeeeeeee aaaaaaaaaaaannnnnnnddddddddddddddd oooooooooutttsssssssssssssssiiddddddddddddddddddeeeee oooooooooffffffffffff cccccccccccccccceeeeeeeellnnnnnooooooooooooooorrrrrrrrmmmmmmmmmmmmmmmal red blood cellnnnnnnnnnnnnnnnooooooorrrrrrrrrrrrrrrrmmal red blood cellThis cell has shrunk because This cell has shrunk becausewater has moved out of it.This cell has swollen because This cell has swollen becausewater has moved into it.lllllllllooooooooooooww wwwwwwwwwwwaaaaaaaaaaaaaater concentration outside of celloutside of cellhigh water concentration outside of celloutside of cell
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