Cardiovascular System Crossword

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Across
  1. 3. Delicate blood vessels
  2. 6. Muscular tissue of heart
  3. 8. Large vein that carries blood to heart
  4. 13. Red Blood Cells
  5. 14. Membrane that lines the inside chambers of the heart
  6. 15. Largest artery in the body
Down
  1. 1. Carries blood from your lungs to heart
  2. 2. Carries blood from right ventricle to lungs
  3. 4. Fluid filled sac that protects heart
  4. 5. White Blood Cells
  5. 7. Lower Chamber of heart
  6. 9. Upper chamber of heart
  7. 10. Carries blood away from heart
  8. 11. Platelets
  9. 12. Carries blood to heart