Helen Greenwood Hansma
Researcher Emeritus and Associate, Adjunct Professor Emeritus
University of California, Santa Barbara
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![Figure 1: Ratios of the concentrations of Sodium ions [Na+] and Potassium ions [K+] in water on land and in the sea vs in living cells and in blood.](https://www.openaccessgovernment.org/wp-content/uploads/2024/12/Fig-1.png)
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