Main Functions of the Skeletal System

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skeletonMain Functions of the Skeletal System

The main functions of the skeletal system are:

1. Support: the bones provide a rigid support frame for the muscles and soft tissues.

2. Protection: the bones form several cavities that protect the internal organs from traumatisms. For example, the skull protects the brain against blows, and the cajatorácica, formed by ribs and sternum, protects the lungs and the heart.

3. Movement: thanks to the muscles that are inserted into the bones through the tendons and their synchronized contraction, movement occurs.

4. Mineral homeostasis: the bone tissue stores a series of minerals, especially calcium and phosphorus, necessary for muscle contraction and many other functions. When necessary, the bone releases these minerals in the blood that distributes them to other parts of the organism.

5. Production of blood cells: inside cavities located in certain bones, a connective tissue called red bone marrow produces red blood cells or red cells through the process called hematopoiesis.

6. Reserve fat store: the yellow marrow consists mainly of adipocytes with a few scattered red blood cells. It is an important reserve of chemical energy

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