Every book I have read of Cleopatra's life and death tells (or shall I say 'retells') the same story; a rendition of a history written by the Greek-turned-Roman historian, Plutarch. However, Plutarch wrote his account of the queen some hundred years after she died and who knows from where he got his information.
Why our body needs calcium. Calcium is a mineral that is stored in the bones. Nearly all the calcium in the body is stored in bone tissue. But a small amount (around 1%) circulates dissolved in the blood and other body fluids, or is inside our cells. This is needed for. 1  Keeping bones and teeth healthy.
Calcium Homeostasis. Calcium homeostasis is a complex process involving the following 4 key components: serum calcium, serum phosphate, 1,25-dihydroxyvitamin D-3, and parathyroid hormone (PTH). More than 99% of the total body calcium is stored in bone in the form of phosphate and hydroxide salts, predominantly as hydroxyapatite.