Across
- 7. Cardiac cycle is controlled by this
- 9. Red pigment found in red blood cells
- 10. Blood cell responsible for blood clotting
- 12. Left side of the heart carries _____ blood
- 14. Blood vessel with a thin wall, large lumen and valves
- 15. Type of white blood cell that digest bacteria
Down
- 1. Vessels which transport blood to and from the heart muscle
- 2. _____ valve found on the left side of the heart
- 3. Divides the heart into two separate pumps
- 4. Type of white blood cell that makes antibodies
- 5. Liquid part of the blood
- 6. Alternate contraction and relaxation of an artery through which blood passes
- 8. Carries the blood away from the heart
- 11. Blood vessel only one cell thick
- 13. Promotes healthy blood vessels and strengthens the heart