The Circulatory System

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Across
  1. 1. Cell fragment involved in clotting
  2. 3. Coordinated movement of the heart muscle
  3. 5. Straw colored liquid that is the major component of blood
  4. 7. Valve between left atrium and ventricle
  5. 9. Valve between the left atrium and the aorta
  6. 11. Protein responsible for transport of oxygen
  7. 12. Vessels that carry blood to the heart
  8. 13. Protein that binds with platelets to form a clot
  9. 14. Valve between right atrium and ventricle
  10. 16. Type of blood cell that is part of the immune system
  11. 17. Number of chambers in the human heart
  12. 18. Lower chambers of the heart
  13. 19. Type of blood cell that carries oxygen
Down
  1. 2. Upper chambers of the heart
  2. 4. Vessels that carry blood away from the heart
  3. 5. Only artery that carries deoxygenated blood
  4. 6. Node responsible for ventricle contraction
  5. 8. Tiny vessels where gas exchange takes place
  6. 10. Largest artery in the body
  7. 15. Node responsible for contraction of atria Node responsible for atria contraction