IMPORTANCE OF OUR BONE DENSITY In the bone marrow of humans, the hardening process defined as bone ossification is completed in around 25 years age. Storing Calcium is essential for life, and to improve absorption is promoted by vitamin D contained in very few foods. Of these there are two types of solar vitamins D 2 or ergocalciferol and cholecalciferol D 3 or which you have an important role in human consumption, becoming Calcidiol in the liver, a substance that regulates the level of calcium in the blood flow. Together, the vitamin D involved in other as is the absorption of minerals such as magnesium and phosphorus. It is in the soft core of bone, called bone marrow where the most useful blood cells and red blood cells are formed, certain WBCs and platelets. Flexible bone joints are formed by cartilage tissue and joint part and zones bone growth. In addition currently considered to collagen as the most abundant protein in the egg white, generally it ...