Across
- 3. support and protect the organs of the body
- 5. largest organ of the body
- 6. sight, hearing, smells, taste and touch
- 8. signals the body to react to changes in the environment
- 9. brain and spinal chord
- 12. witch protect our spinal cord
- 15. filters out organisms that cause disease
- 16. Arteries, Capillaries and Veins are all part of this
- 19. passes through the walls of the air sacs and blood vessels and enters the blood stream
- 20. after food is swallowed it goes down...
- 22. chemicals that control body function
- 24. biggest artery
- 25. responsible for blood clotting
- 26. found only in the heart
- 28. this organ filters the blood and removes the waste
- 29. a muscular organ that provides blood circulation
Down
- 1. carbon dioxide passes through it
- 2. releases hormones directly into the bloodstream
- 3. the trachea is attached to the bronchial tubes
- 4. blood vessels that carry blood towards the heart
- 7. is made up of bones, ligaments and tendons
- 10. gets rid of liquid waste
- 11. veins that deliver-oxygenated blood from the lungs to the heart
- 13. brings in oxygen and removes carbon dioxide
- 14. Kidneys, urine tubes, and bladder
- 17. Connects bones to other bones
- 18. biggest bone in the body
- 21. Bones that protect the lungs
- 23. a long tube that you breath with
- 27. largest internal organ in the body