Human Body

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Across
  1. 5. lines the surface of the body
  2. 7. many types of cells supporting other parts of the body
  3. 9. organs working together
Down
  1. 1. all organ systems working together
  2. 2. contracts and allows movement
  3. 3. two or more tissues working together
  4. 4. a group of cells
  5. 6. smallest thing in the human body
  6. 8. made of nerve cells