The skeletal and muscular system

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Across
  1. 6. when stimulated by the nerves able to contract
  2. 7. able to be stretched
  3. 8. hard dense bone tissue
  4. 9. connects muscle to bone
Down
  1. 1. allows the body part to return to normal size
  2. 2. forms walls of internal muscles
  3. 3. shrink in size and lose strength
  4. 4. inside of compact bone mainly in long bone
  5. 5. forms the wall of the heart and contracts to circulate blood