Across
- 3. type of iron that chemically transports oxygen in red blood cells
- 6. blood cells cells used for transporting oxygen in body
- 7. system body system in charge of obtining essential gasses for your body
- 9. organ that pumps blood to your body
- 10. where materials are exchanged
- 14. carry blood away from the heart
- 15. this is something you physically do to keep your heart healthy
- 16. carry blood to the heart
Down
- 1. disease that is a result of fatty build-up in arteries
- 2. how air gets to your lungs
- 4. node fluid that returns to your bloodstream from the lymphatic system
- 5. this is the addictive part of cigarettes
- 8. this is the ingredient in cigarettes that makes your lungs turn black
- 11. fragments of red blood cells that clot to stop bleeding
- 12. blood cells body's disease fighters
- 13. where oxygen is sent to in respertory system