![]() ![]() Calcium blood levels are carefully controlled by a hormone called parathyroid hormone.About 99% of the body’s total calcium is stored in the bones and teeth.Calcium has other roles in the body too: it helps muscles to contract (tighten), helps nerves to carry messages, cells to give off hormones and blood vessels to move blood. It is used by the body to build bones and keep bones and teeth strong. Calcium is a mineral found in many foods. ![]()
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