The Circulatory System

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