Calcium: Difference between revisions
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'''Calcium''' is the chemical element with the symbol Ca and atomic number 20. | '''Calcium''' is the chemical element with the symbol Ca and atomic number 20. | ||
Calcium is essential for [[life]], particularly in [[cell physiology]], where movement of the calcium ion Ca2+ into and out of the cytoplasm functions as a signal for many cellular processes, including neuromuscular contractions. It is also a major material used in mineralization of bones, teeth and shells. | |||
Revision as of 23:58, 30 September 2008
Calcium is the chemical element with the symbol Ca and atomic number 20.
Calcium is essential for life, particularly in cell physiology, where movement of the calcium ion Ca2+ into and out of the cytoplasm functions as a signal for many cellular processes, including neuromuscular contractions. It is also a major material used in mineralization of bones, teeth and shells.