The Circulatory System

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