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                    is an example of a major mineral required by the body and is classified as an electrolyte.

              is an early indication of dehydration.

               is found as part of the structure of structural finger-like proteins that help to stabilize DNA and act as binding sites for hormones.

The energy that is used to digest, absorb, store and metabolize food is called the           .

A diet high in              increases absorption of calcium, but increases loss of calcium in the urine.

                 requires vitamin D for absorption.

As a person gains weight, the levels of leptin               .

Eating high amounts of sodium                reabsorption of water in the kidneys, which             blood pressure.

               is a vital component found in DNA and RNA.

Ghrelin is a hormone released by the stomach to                       .