The biological significance of the element Ca. The role of the element for the body.

Calcium participates in the selective process of the cell membrane. Calcium ions are participants in the process of joining the DNA molecule with proteins. In plant cells, calcium ions impart strength. Calcium salts, which do not dissolve in liquids, are an integral component of the bone matter of animals, shells, and corals. Ions of this element affect the amount of bile released, increases the reflex excitability of the central nervous system, the center of salivation, and transmits nerve impulses.

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