Across
- 2. When the organs are not receiving sufficient blood
- 3. high blood pressure
- 5. helps with forming clots
- 7. when the heart lacks oxygen/blood
- 9. responsible for keeping blood flowing in one direction
- 11. blocked or ruptured vessel in the brain
- 12. Blood group O
- 14. the upper chambers of the heart
- 16. blood vessels do this when you are cold
- 19. Blood group AB
- 21. the left side of the heart deals with this type of blood
- 22. help fight pathogens
Down
- 1. a type of pressure when ventricles relax
- 4. a type of blood circulation that goes from heart to body and back to heart
- 6. condition that involves the build-up of fatty deposits on artery walls
- 8. a type of blood circulation that goes from heart to lungs and back to heart
- 10. the fluid part of the blood (without RBCs)
- 13. the bottom chanbers of the heart
- 15. a type of pressure when ventricles contract
- 16. one-cell-thick "tube" where gas nutrients and waste are exchanged
- 17. blood vessles do this when you are hot
- 18. the thickest blood vessel
- 20. blood vessel with valves