Cardiac 2

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Across
  1. 2. Flowing towards the heart
  2. 3. From heart to body and back to heart is called ______ system
  3. 4. Biggest vein
  4. 5. SA node is the heart's natural ______
  5. 7. Blood from lungs leads to the _____ atrium
  6. 8. This valve divides the two right chambers
  7. 9. CO2 stands for ____ ____
  8. 10. Smallest blood vessels
  9. 12. O2 stands for _____
  10. 13. Biggest artery
  11. 14. Blood ends up in the ____ ventricle after right atrium
Down
  1. 1. Blood from the body goes to the right _____
  2. 2. Blood from left atrium leads to the left ____
  3. 5. This valve divides left ventricle and pulmonary artery
  4. 6. This valve divides the two left chambers
  5. 10. From heart to lungs and back to heart is called pulmonary _____
  6. 11. Flowing away from the heart