Calcium: nm Calcium is an atomic element (Ca; n° at. 20; m. atom 40,08), metal of the alkaline earth group. Calcium is an essential mineral element for the human body, stored almost exclusively in bones and teeth.
Its role is essential in the constitution and maintenance of bone capital, for controlling heart rate, blood coagulation, etc. The daily need for calcium, in adults, is 800 mg (1 mg during periods of growth or fat...
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