The Circulatory System

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Across
  1. 3. flaps of connective tissue
  2. 5. when blood gets oxygen from the lungs
  3. 7. movement to and from or around something
  4. 10. the middle layer of the heart
  5. 12. brings oxygen rich blood from the left lung to the left atrium
  6. 15. the inner layer of the heart
  7. 16. path of circulation between the heart and lungs
  8. 17. accepts oxygen poor blood to the lungs
  9. 18. carries oxygen rich blood from the left ventricle to the body
Down
  1. 1. wall separating the left side and right side of the heart
  2. 2. brings oxygen rich blood from the right lung to the left atrium
  3. 4. accepts oxygen rich blood from the lungs
  4. 6. blood in need of oxygen
  5. 8. pumps oxygen rich blood to the body
  6. 9. path of circulation between the heart and the rest of the body
  7. 11. carries oxygen poor blood to the lungs
  8. 13. the outer layer of the heart
  9. 14. hollow muscular organ that pumps blood throughout the body