Across
- 3. a substance that can block blood vessels
- 5. blood vessels that bring blood from the heart
- 7. Nobs of tissue that filter bacteria
- 9. large blood vessel that carries blood to the body
- 10. what red blood cells are made of
- 12. fluid in the lymphatic system
- 14. Gets oxygen rich blood from the lungs
- 15. where heart is located
- 17. Muscular organ that pumps blood
- 19. the amount of different blood types
- 20. Pathways for blood
- 22. similar to blood vessels but for the lymphatic system
- 23. a substance that blood transports from the body to the lungs
Down
- 1. tiny blood vessels that are 1 cell thin
- 2. Made of plasma and red blood cells
- 4. cell fragments that help clot blood
- 6. Pumps oxygen poor blood to the lungs
- 8. blood vessels that bring blood to the heart
- 11. an approximate size of the heart
- 12. blood returning system
- 13. liquid part of the blood
- 16. the force that the blood puts on the blood vessel walls
- 18. the amount of loops the blood flows in
- 21. a substance that blood transports from the lungs to the body