Manganese make active the activity of enzymes in the body, including those that help proteins to be used as food, and one that breaks down free radicals that can cause heart disease. It also make easier in the production of sex hormones and helps maintain healthy joints and bones structure. However, it helps in the production of the thyroid hormones that control the rate of the body's metabolism and is thought to help balance blood …showed first 75 words of 331 total…

…showed last 75 words of 331 total…well, any excess manganese will simply not be absorbed by human body, which makes this one of the few minerals that is not toxic to the body that is in large amount. Finally, it is the 12th most abundant element in the earth's crust. The total amount of manganese in the adult human organism has been determined to be about 10-20mg, most of which is found in skeleton, liver, kidney, pancreas and the heart.