Human Body Systems

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Across
  1. 3. – Needed for breathing
  2. 5. – Carries oxygen-rich blood
  3. 6. – Backbone support
  4. 7. – Connects bones
  5. 9. – Part of immunity
  6. 10. – Pumps Blood
  7. 11. – Chemical messenger
  8. 13. – Carry blood back
  9. 14. – Help in breathing
  10. 17. – Largest organ
Down
  1. 1. – Carries oxygen
  2. 2. – Break down food
  3. 4. – Nerve cells
  4. 6. – Digests food
  5. 8. – Controls body
  6. 9. – Detoxifies body
  7. 12. – Helps movement
  8. 15. – Carry signals
  9. 16. – Support body
  10. 18. – Filters blood