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{{Element | name=Calcium | symbol=Ca | anumber=20 | amass=40.1 amu | noe=20 | class=Standard metal | cstructure=Cubic | color=Silver | date=1808 | discname=[[Sir Humphrey Davy]] | origname=From the Latin ''calcis''. | uses=Calcium is one of the primary elements in bones, shells, etc.  Taking calcium internally can promote bone growth. | obtained=Chalk, limestone, marble, vitamin to promote bone growth. }}

{{Element | name=Calcium | symbol=Ca | anumber=20 | amass=40.1 amu | noe=20 | class=Standard metal | cstructure=Cubic | color=Silver | date=1808 | discname=[[Sir Humphrey Davy]] | origname=From the Latin ''calcis''. | uses=Calcium is one of the primary elements in bones, shells, etc.  Taking calcium internally can promote bone growth. | obtained=Chalk, limestone, marble, mineral to promote bone growth. }}

'''Calcium''' is a very important element to human [[physiology]], as calcium-[[phosphate]] salts form the basis for the creation of [[bones]]. It is also a critical cellular component in all organisms, and in animals serves roles of particular importance in blood, the [[cardiovascular system]], and the [[nervous system]]. Consuming too much calcium can lead to [[kidney stone]]s, which are typically composed of calcium deposits.

'''Calcium''' is a very important element to human [[physiology]], as calcium-[[phosphate]] salts form the basis for the creation of [[bones]]. It is also a critical cellular component in all organisms, and in animals serves roles of particular importance in blood, the [[cardiovascular system]], and the [[nervous system]]. Consuming too much calcium can lead to [[kidney stone]]s, which are typically composed of calcium deposits.