Across
- 2. mess of blood
- 4. result during violence
- 6. in the blood circulation system
- 7. acid
- 9. blood cells/helps fight infections
- 10. blood cells/what makes blood its colour
- 13. walled tubes
- 14. sequence of direct ancestry
- 15. exchange of water/chemicals
- 16. point of place something begins
- 18. mythical creature who took blood
- 19. are 4 different groups a/b/ab/o
- 20. person who donates
Down
- 1. in clotting
- 3. are five main things of this
- 5. to have no blood
- 8. containing the same blood
- 11. yellow holds blood cells
- 12. who share the same blood
- 17. will normally find this on trees