The Human Body

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Across
  1. 2. A part of the muscular system that can contract or relax causing the body to move
  2. 6. the system that helps the body to move by contracting and relaxing muscles
  3. 7. The place where two or more bones connect
Down
  1. 1. When muscles loosen
  2. 3. the system that provides structure, protection, and support for the body
  3. 4. When muscles tighten
  4. 5. a part of the skeletal system that provides support and protects the body