Circulatory System

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Across
  1. 3. small veins
  2. 4. towards the heart
  3. 5. a holding place
  4. 6. away from heart
  5. 8. when atriums release blood
  6. 9. artery that feeds the heart muscle
  7. 11. bright red
  8. 13. to and from the lungs
  9. 14. blue on the diagram
  10. 17. small arteries
Down
  1. 1. delivers blood into the heart
  2. 2. pump
  3. 7. right side pumps here
  4. 10. where oxygen is delivered to tissue
  5. 12. left side pumps here
  6. 15. when ventricles pump
  7. 16. largest artery in the body