Across
- 1. the atrium on the right side
- 4. the top vena cava
- 6. the highest up artery in the heart
- 9. has 4 types O A B AB and an rh factor
- 11. the atrium on the right side
- 14. largest vesicle
- 17. separates the heart in to 2 sides
- 18. blood cells protect against infections
- 19. breathing
Down
- 2. the bottom vena cava
- 3. contains the heart blood vessels and blood
- 5. the universal donor of blood
- 7. blood cells that makeup 45% of blood
- 8. help blood clot
- 10. the heart has 4 of these
- 12. fights infections
- 13. makes up 55% of blood
- 14. caries blood away from the heart
- 15. the universal recipient of blood
- 16. carry blood toward the heart
