Links to the 50 most populated cities of the world - the largest cities on earth. Official web sites and city guides of cities and capital cities, city information. One World
1. Macro-minerals. They are present in relatively large amounts in the body and are required in fairly large amounts in the diet âmore than 100 milligrams daily. Calcium is the most common and abundant mineral that accounts for approximately 2% of an adult body. An adult of 75 kg contains about 1,5 kg of calcium. Over 99% is found primarily in bones and teeth. Major minerals are calcium, phosphorus, potassium, sodium, chlorine, magnesium and sulfur. 2. Micro minerals or trace minerals. Trace minerals are required by the body in amounts of less than 100 mg/day. Iodine, for instance, accounts for only 0,00003 % of our body, which equals 0,0225 milligram.
Beyond compounds built from these four most common elements, the rest of the bodyâs contents is made up of minerals. Magnesium is a macro-mineral, which, unlike trace minerals, is needed by the body in large amounts. Calcium, sodium, and potassium are also macro-minerals.