Muscular/Skeletal System

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Across
  1. 1. Our skeletal system forms what types of cells?
  2. 4. Muscles need this to contract.
  3. 7. Where two or more bones come together is called?
  4. 8. What reduces friction between bones and absorbs shock?
  5. 9. We either use or _____ our muscles.
  6. 10. What connect muscles to bones?
  7. 11. What bone layer has a large open space making it lightweight?
  8. 12. What bone layer forms a strong outer layer?
  9. 13. Muscles normally come in?
Down
  1. 2. What attaches bone to bone?
  2. 3. Muscles that you cannot control are?
  3. 5. What is the main purpose of the Muscular System?
  4. 6. Muscles that you can control are?