1. hard living tissue bone

2. the group of bones that forms the frame for your body skeleton

3. a soft, jellylike material in the bones that the body uses to produce new blood cells marrow

4. a place where two or more bones come together joint

5. a strong, elastic tissue that connects the bones ligament

6. a strong, flexible tissue found in joints cartilage

7. a group of stretchy tissues that moves parts of the body muscle

8. the bones and the muscles that attach to them skeletal muscular system

9. a muscle you can control voluntary muscle

10. a muscle that works without your control involuntary muscle

11. a crack or break in a bone fracture

12. what happens when a muscle is stretched too far strain

13. what happens when a joint is twisted too hard sprain