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Mineral
Tool
Minerals are
inorganic substances required by the body for a variety functions such
as formation of bones and teeth, essential constituents of body fluids
and tissues, components of enzyme systems, and nerve function.
Some
minerals are needed in larger amounts than others, e.g. calcium,
phosphorus, magnesium, sodium, potassium and chlorine. These are
called macrominerals. Others are required in smaller quantities and
are called trace minerals or microminerals, e.g. iron, zinc, iodine,
fluoride, selenium and copper. Despite being required in smaller
amounts, trace minerals are no less important than other minerals.
Like
vitamins, minerals cannot be produced by the body and eating a varied
diet will ensure an adequate supply of most minerals for healthy
people.
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