Structure of Heart

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Across
  1. 1. Heart muscle
  2. 3. Brings blood from upper body to the heart
  3. 6. Carries blood from heart to lungs
  4. 10. Inner lining of the heart
  5. 11. Smallest blood vessels
  6. 12. Outer membrane
  7. 13. Lower heart chambers
  8. 14. Carry blood to the heart
Down
  1. 2. Brings blood from lower body to the heart
  2. 4. Main artery takes fresh blood from heart to the body
  3. 5. Upper heart chambers
  4. 7. Takes fresh blood from lungs to the heart
  5. 8. Double pump
  6. 9. Wall that divides heart