Across
- 2. period of ventricular contraction
- 4. largest artery
- 7. blood cell that contains hemoglobin
- 9. thick, muscular layer of the heart
- 12. blood vessel that carries blood away from the heart
- 15. type of blood cell that fights infection
- 17. low blood pressure
- 20. the period of rest, ventricular filling
- 21. malignant disease of the bone marrow
- 22. foreign substance in the bloodstream
- 24. double layer outer membrane surrounding the heart
- 28. inherited disease that leads to prolonged bleeding
- 29. inflammation of a vein
- 31. hardening or thickening of arterial walls
- 32. valve exiting the right ventricle
Down
- 1. high blood pressure
- 3. wall that separates the heart into left and right sides
- 5. smallest arteries
- 6. fatty plaques on the walls of the arteries
- 7. inner layer of the heart that allows for the smooth flow of blood
- 8. blood cell that assists in clotting
- 10. dilated, swollen veins that have lost elasticity
- 11. type of blood vessel that might contain a valve to prevent the backflow of blood
- 13. low number of erythrocytes or hemoglobin
- 14. heart attack
- 16. blood vessel type that is one cell layer thick
- 18. smallest veins
- 19. type of vessel returns blood to the heart
- 23. valve between the right atrium and right ventricle
- 25. valve between the left atrium and left ventricle
- 26. the average adults has 4-6 ____ of blood in their body
- 27. ballooning out of an arterial wall
- 29. liquid portion of blood
- 30. valve the blood travels through exiting the left ventricle
- 33. blood returning from the body enters the right ___ (chamber of the heart)