All of the following are roles of potassium, except

Aldosterone is released by the ________.

All of the following are involved in maintaining calcium balance, except

What tests are typically used to evaluate iron status?

About what percentage of iron is absorbed from a vegetarian diet?

What is transferrin?

____________ is the most abundant mineral in the body.

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

Minerals are not vital to life.

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