The Heart

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Across
  1. 4. brings oxygen poor blood into the heart from the body
  2. 9. sends oxygen rich blood to the body
  3. 10. separates the right atrium and right ventricle
  4. 11. separates the left atrium and left ventricle
  5. 13. keeps blood moving in a forward direction
Down
  1. 1. upper chambers of the heart
  2. 2. sends oxygen poor blood to the lungs
  3. 3. waste product of cells
  4. 4. blood vessel that has valves
  5. 5. brings oxygen rich blood from the lungs to the left atrium
  6. 6. sends blood away from the heart
  7. 7. strongest ventricle in the heart
  8. 8. smallest blood vessels
  9. 12. lower chambers of the heart