Biochemical role of calcium-

Calcium is the principle mineral and is an essential constituent of the cell and has following function in the body-
1) Calcium along with phosphorous is essential for the formation of the developments of bones and teeths.
2) Ionized calcium is required in blood coagulation process
3) It regulates the excitability of nerve fibers and nerve centers.
4) It is essential for nerve impulse and muscular contraction and regulates the permeability of membrances.
5) It is required for maintaing the integrity of intracellular material.
6) It is required for activation of several enzymes such as succinate dehydrogenase, ATPase and certain proteolytic enzymes.