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__**Common Uses for Calcium and Health/Environmental Effects**__

Calcium is extremely important for living organisms, and it is also the most abundant metal by mass in many animals. Calcium is also used in mineralization of bones and shells, and its very important for preserving the human skeleton. Sometimes calcium is reffered to as lime, and its in milk, milk products, vegetables, beans, and nuts. It also helps functions in the nerves and muscles. If you don’t use more than 2.5 grams of calcium a day you are risking the face of getting kidney stones. Calcium is an essential element in your body and in the environment. Also, calcium phosphide is incredibley toxic aquatic organisms.