Calcium: biological information
Biological role of calcium: calcium is essential for all life. It forms part of cell walls and bones. It is important for blood clotting.
Levels in humans
How much calcium is in your body? Find out here.
You can use this form to calculate how much calcium your body contains. Enter your weight in either kilograms or pounds and click the "Calculate" button. You must enter a number, not text! Elements for which there are no data will always give a value of zero for the weight, no matter what you put in the weight box.
Hazards and Risks
Hazards and risks associated with calcium: calcium metal presents a fire hazard but its salts are relatively harmless.