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Social Studies, 29.10.2019 21:31 zoeybuch5
Sharks live in seawater. their tissues are isotonic to seawater, but their concentrations of sodium ions, potassium ions, and chloride ions in cells and extracellular fluids are similar to those of freshwater fishes. how is that possible?
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Sharks live in seawater. their tissues are isotonic to seawater, but their concentrations of sodium...
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