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The four primary functions of the skeletal system are to support muscles and tissue, protect the vital organs, allow movement of bones and muscles and serve as the storage center for immature blood cells and minerals. The skeletal system has 206 bones that are vital to the human body. Full Answer >.
The adult human skeletal system consists of 206 bones, as well as a network of tendons, ligaments and cartilage that connects them. The skeletal system performs vital functions â support, movement, protection, blood cell production, calcium storage and endocrine regulation â that enable us to survive.ne of the much rarer diseases of the skeletal system is bone cancer. It may originate in the bones or spread there from another part of the body. In the United States, primary bone cancers accounts for less than 1 percent of all cancer cases, according to the American Cancer Society.