Circulatory System

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Across
  1. 4. brief period of rest in the heart
  2. 5. Takes oxygenated blood from the left side of the heart to the body
  3. 6. Returns oxygenated blood from the lungs back to the heart
  4. 11. Returns venous blood from the lower body back to the heart
  5. 12. Right side valve between atrium and ventricle
  6. 14. Receives deoxygenated blood from the vena cavae
  7. 15. lower chamber of heart
  8. 17. Period of ventricular contraction in the heart
  9. 18. sound of pulmonary and aortic valves closing
  10. 20. Artery supplying the head. Pulse found in the neck
  11. 21. Takes deoxygenated blood from the right side of the heart to the lungs
Down
  1. 1. Artery with pulse found on the wrist
  2. 2. Blood vessels that connect arterioles and venules
  3. 3. upper chamber of heart
  4. 7. Receives oxygenated blood from the pulmonary veins
  5. 8. Returns venous blood from the upper body back to the heart
  6. 9. this type of artery supplied blood to the heart itself
  7. 10. Chamber that pumps oxygenated blood to the body
  8. 13. Chamber that pumps deoxygenated blood to the lungs
  9. 16. sound of tricuspid and mitral valves closing
  10. 19. another name for left side valve between atrium and ventricle