Across
- 4. - Vertebral column.
- 6. - Breathing organs.
- 7. - Filters blood.
- 10. - Digestive sac.
- 12. - Skeletal part.
- 13. - Vision organ.
- 15. - Immune organ.
- 17. - Signal transmitter.
- 19. - Pumps blood.
- 20. - Thoracic bone.
- 21. - Bone binder.
- 23. - Hormone source
Down
- 1. - Digestive tract.
- 2. - Insulin producer.
- 3. - Movement tissue.
- 4. - Body's largest.
- 5. - Dental unit.
- 8. - Bone connection.
- 9. - Blood vessel.
- 11. - Oxygen carrier.
- 14. - Control center.
- 16. - Detox organ.
- 18. - Hearing organ.
- 22. - Muscle connector.