4. What are mineral salts?
Where in living beings can
mineral salts be found?

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Mineral salts are simple inorganic
substances made of chemical
elements, like iron, sodium, potassium,
calcium and magnesium, or of elements, like chlorine and
phosphorus.

They can be found in non-solubilized
form, as part of structures of the
organism, like the calcium in .
They can also be found solubilized in
water, as ions: for example, the sodium
and potassium cations within cells.