ORGAN SYSTEM

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Across
  1. 5. Its appendages acting to protect the bod.
  2. 6. Contractibility.
  3. 8. Produce hormones that regulate metabolism.
  4. 9. The system that circulates blood and lymph through the body.
  5. 10. Central organ of the human nervous system.
  6. 11. system that conveys blood through vessels to and from all parts of the body.
Down
  1. 1. Convert food into energy.
  2. 2. The main organ bones.
  3. 3. Convert food into energy.
  4. 4. Protects your body from harmful.
  5. 7. Regulate the chemical composition of body.