Calcium Rich Foods To Prevent Osteoporosis Calcium is the most abundant mineral in the human body and has relatively high consumption recommendations, since it is essential for the formation and maintenance of bones and teeth . Calcium also plays an important role in other body functions, such as the production of hormones , the formation of some tissues, blood clotting, muscle contraction, and relaxation movements, and the correct functioning of neurons in sending nerve signals. Our body is unable to synthesize calcium; therefore eating foods rich in calcium becomes essential. Calcium is a macro-mineral present in the body of all living beings, although with differences in terms of quantity. In plants, for example, calcium represents 0.007% of their mass; but in animals, this percentage rises to 2.45%. In other words, 2.45% of our body are calcium, which remains dissolved in our body tissues, both solid (especially bone) and liquid (such as blood). It is, therefore, the m...