Across
- 4. - absence of oxygen
- 7. blood vessels that carry blood away from the heart
- 10. cells that make up the lung
- 11. liquid form of blood that contains dissolved glucose etc
- 12. part of blood that contains haemoglobin
- 14. part of blood used for clotting
- 15. separates the two sides of the heart
Down
- 1. Top chambers of the heart
- 2. part of blood involved with the immune system
- 3. all the chemical reactions in the body
- 4. - oxygen needed
- 5. small blood vessels
- 6. Bottom chambers of the heart
- 8. blood vessels that carry blood towards the heart
- 9. removes foreign particles by digesting them
- 13. prevents blood from flowing in the wrong direction