Heart Diagram Crossword

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Across
  1. 2. Blood that is rich in oxygen.
  2. 4. A plasma protein involved in blood clot formation.
  3. 6. Blood vessel that returns deoxygenated blood to the heart.
  4. 7. The liquid part of blood that transports substances.
  5. 8. The valve between the right atrium and right ventricle.
  6. 9. Blood cell involved in defence against disease.
  7. 10. Blood vessel that Carries deoxygenated blood from the heart to the lungs.
  8. 12. Blood vessel that Carries nutrient-rich blood from the intestine to the liver.
  9. 14. Blood vessel that Supplies blood to the heart muscle itself.
  10. 15. Blood cell that transports oxygen.
  11. 17. The valve between the left atrium and left ventricle.
  12. 18. A circulatory system in which blood passes through the heart twice in one complete cycle.
  13. 20. A protein in red blood cells that binds with oxygen.
Down
  1. 1. Blood vessel that Carries oxygenated blood from the lungs to the heart.
  2. 3. Supplies oxygenated blood to the liver.
  3. 5. Blood Cells involved in blood clotting.
  4. 11. A wall of muscle that separates the left and right sides of the heart.
  5. 13. The main artery that carries oxygenated blood from the heart to the body.
  6. 16. Carries blood away from the kidneys back to the heart.
  7. 19. Valves found at the base of arteries leaving the heart.