MUSCULOSKELETAL SYSTEM

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Across
  1. 4. have no internal skeleton
  2. 6. produces red and white blood cells and stem cells
  3. 7. dense tissue found in the ear and nose also between joints
  4. 9. condition caused by a loss of bone tissue
  5. 11. Muscle that is attached to the bone by tendons and allows voluntary movement
  6. 13. system made up of bones and the muscles that move them
Down
  1. 1. attached to the skeleton to help it move
  2. 2. Hard and dense consisting of a matrix of materials
  3. 3. specialized cells make up the heart which contract and relax in a rhythm
  4. 5. a hard outer shell
  5. 8. connects bones to muscle
  6. 10. line internal organs such as the digestive tract and blood vessels
  7. 11. made up of various connective tissue
  8. 12. tough elastic tissue that connects bones together at the joint