SKELETON SYSTEM

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Across
  1. 1. 22 bones
  2. 5. framework of bones
  3. 6. muscles not under our control
  4. 7. muscles muscles in heart
Down
  1. 1. smallest bone in human body
  2. 2. a joint is the meeting point of two bones held together by strong tissues
  3. 3. muscles under our control
  4. 4. longest bone in human body