Calcium

Calcium is a chemical element with the symbol Ca and atomic number 20. It is an essential mineral found abundantly in the human body, primarily in bones and teeth, where it provides critical structural strength and support. Calcium plays a vital role in numerous biological functions, including muscle contraction, blood clotting, nerve transmission, and hormone secretion. It is commonly obtained through the diet, with particularly rich sources including dairy products, leafy green vegetables, and fortified foods. Ensuring an adequate intake of calcium is important for maintaining strong bone health and preventing conditions such as osteoporosis later in life. In its pure elemental form, calcium appears