Why Are Tears Salty? » Science ABC

Tears do contain potassium and sodium, two of the most important electrolytes that we have in the body. For those who don't know, electrolytes are natural salts that the body requires for nervous system function and the transfer of information between different nerve cells.

Why Are Tears Salty? » Science ABC

Why Are Tears Salty? Plus Where They Come From and What They Do

Why Are Tears Salty? » Science ABC

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