Minerals are not vital to life.

What is the RDA for iron for women in their reproductive years?

________ is the hormone secreted by the thyroid gland that regulates blood calcium by lowering it when levels rise too high.

What measurement is useful for detecting iron deficiency in its earliest stage?

What is the principal extracellular cation?

What is the main symptom of iodine deficiency?

Which of the following is not an essential trace mineral?

Where are the highest concentrations of zinc in the body?

Match the mineral with its role, function or characteristic.

Zinc toxicity _____.