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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 >.
Quick Answer. The BBC explains that the skeletal systemâs main functions include providing shape, support and protection for the body. Additionally, in conjunction with the muscular system, it allows the body to move in a coordinated fashion.