Across
- 2. carry blood away from the heart
- 4. cells that carry oxygen
- 10. protein that binds oxygen in blood
- 12. Approximate litres of blood in the body
- 13. 55% of blood is made of this
Down
- 1. vessels where gas exchange occurs
- 3. maximum oxygen molecules bound to protein in red blood cell
- 5. deoxygenated blood carries this waste gas
- 6. dysfunction of thrombocytes
- 7. carry blood to the heart
- 8. this cell is responsible for clotting
- 9. electrical system that helps the heart pump blood
- 11. cell responsible for fighting infection
