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What Is The Most Abundant Metal In The Human Body?
Calcium
Sodium
Potassium
Iron


Answer: Calcium

In its pure form, calcium is a dull gray-colored alkaline metal that looks more like left over pieces of a futuristic robot than the kind of white mineral-like substance most of us envision when we’re slugging back glasses of milk in an effort to build strong bones.

It’s also the most abundant metal in the human body, found both in ionic form (necessary for metabolic functions) and in its more familiar bones and teeth form as hydroxylapatite–the mineral form of calcium that comprises half the weight of our bones and most of our teeth. Calcium is so abundant in the human body, in fact, that it constitutes a full two pounds of the ash left over after a cremation.

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