phoenix 7

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Across
  1. 1. bone- smooth outer layer
  2. 3. skeleton - connects to spine
  3. 4. regulates itself
  4. 7. skeleton-does not connect to spine
  5. 8. system- supports and protects
  6. 9. tissues work together
Down
  1. 2. organs work together
  2. 5. holds bones to bones
  3. 6. cells work together