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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 >.
Bones, tendons, ligaments and cartilage make up the skeletal system. The primary function of the skeletal system is providing support for the body to maintain posture and movement. The skeletal system protects the internal organs such as the brain and heart.