The Circulatory System

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