Across
- 10. fragments of cells that aid in blood clotting
- 11. another name for red blood cells
- 12. the system that transports blood
- 13. the liquid part of blood that is 90% water
- 16. transferring of blood to another person
- 18. blood type markers attached to cells
- 20. oxygen-carrying protein that makes blood red
- 21. can differentiate into many types of cells
Down
- 1. blood that is carrying oxygen to cells
- 2. chemical messengers in the bloodstream
- 3. thin vessels that join venules to arterioles
- 4. small arteries
- 5. type O negative blood
- 6. another name for white blood cells
- 7. blood cells that help fight infection
- 8. vessels that carry blood away from the heart
- 9. little veins that join to form larger veins
- 14. type AB positive blood
- 15. a condition that results from low red blood cells
- 17. blood cells that carry oxygen
- 19. vessels that carry blood toward the heart