The Circulatory System

123456789101112131415
Across
  1. 3. Liquid part of the blood
  2. 6. Exchange materials between the blood and body cells
  3. 8. Damage to part of the heart muscle due to a lack of oxygen-rich blood supply
  4. 11. Picks up the oxygen and delivers it to cells in the body
  5. 12. Main organ of the circulatory system
  6. 14. Pressure of the blood in the arteries
  7. 15. High blood pressure
Down
  1. 1. The alternating expansion and relaxation of the artery walls
  2. 2. The two lower chambers of the heart
  3. 4. The two upper chambers of the heart
  4. 5. cells that fight disease
  5. 7. A vessel that carries oxygen-rich blood to the body
  6. 9. The largest artery in the body
  7. 10. Cell fragments that help form blood clots
  8. 13. Blood vessels that carry blood from various parts of the body to the heart