Your bones are alive…that's why it hurts if you break one!
Your skeleton (the body's framework) contains 206 bones (in all shapes and sizes) that all work together. They work with tendons, ligaments, muscles, and joints to help you move. It protects your vital organs (heart, lungs, brain). It protects your nervous system (especially the spinal cord.)
Your bones also store nutrients (calcium and phosphorous). They also contain special blood cells that fight disease.
The skull is the bone in your head that protects your brain.
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