Across
- 4. largest vein that takes blood to the right atrium
- 7. where blood receives oxygen
- 8. lower chambers of the heart
- 11. blood cells that fight infection
- 14. disease where fatty material builds up in the blood vessels
- 16. organ that pumps blood
- 17. circulation between heart and lungs
- 18. blood cells that carry oxygen
- 19. upper chamber of the heart
- 20. take blood to the heart
Down
- 1. liquid part of blood
- 2. carried by blood to the cells
- 3. prevents blood from flowing backwards
- 5. take blood away from the heart
- 6. largest blood vessel; takes oxygen rich blood from heart to body
- 9. where blood delivers oxygen to cells
- 10. circulation between heart and body
- 12. help blood to clot
- 13. blood takes this away from cells
- 15. when a blood vessel in the brain is clogged or ruptures