what are trace elements
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Trace elements (or trace metals) are minerals present in living tissues in small amounts. ... Trace elements function primarily as catalysts in enzyme systems; some metallic ions, such as iron and copper, participate in oxidation-reduction reactions in energy metabolism.
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A trace element is a chemical element whose concentration is very low. They are classified into two groups; essential and non-essential. Essential trace elements are needed for many physiological and biochemical processes in both plants and animals.
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