Respiratory System and Your Blood
Across
- 5. Colourless liquid part of the blood
- 8. Thread-like structure that helps to clot blood
- 10. Structure taking air to and away from the lungs
- 11. Gas used by your body cells.
- 13. A disease that affects the lungs
- 14. The system that supplies your body with air.
- 15. Blood vessel with valves
- 17. Protects and defends the body
- 19. Where blood cells are made
Down
- 1. Waste gas produced during respiration.
- 2. Place of gas exchange in the lungs
- 3. Clots the blood
- 4. Blood vessel with thick walls
- 6. Another name for the circulatory system.
- 7. Blood cell without a nucleus
- 9. Blood vessel with very thin walls
- 12. White blood cell the 'eats' bacteria
- 16. Process by which air enters and leaves lungs
- 18. Mineral in our teeth that helps to clot blood