Cardiovascular System

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Across
  1. 2. Outer layer of the heart.
  2. 3. Fine tubing to transport blood.
  3. 5. A term for platelets.
  4. 10. largest artery.
  5. 12. carries blood from lungs back to the heart.
  6. 13. Carries blood to heart.
  7. 14. Middle layer of the heart.
Down
  1. 1. carries blood from heart to lungs
  2. 4. A term for white blood cells.
  3. 6. The term for the 4 chambers of the heart.
  4. 7. The upper chambers of the heart.
  5. 8. A large vein that moves blood to the heart.
  6. 9. Innermost layer of the heart.
  7. 10. Carries blood away from heart.
  8. 11. A term for red blood cells.