Cardiovascular System

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Across
  1. 1. Circulation (circuit) pumping blood to the body
  2. 3. Largest artery in the body
  3. 4. Arteries supplying blood to the thighs
  4. 7. Heart valve between left atrium & ventricle
  5. 8. The thickness of a fluid
  6. 11. Minimum arterial pressure when the heart is relaxed
  7. 14. Artery supplying blood to the head
  8. 17. 1st 2 branches off the aorta delivering blood to the heart muscles
  9. 19. Arteries supplying blood to the kidneys
  10. 21. The 2 upper heart chambers that receive blood from outside the heart
  11. 22. An abnormal heart sound
  12. 23. Nerve fibers that carry impulses to distant regions of the ventricular myocardium
  13. 24. Blood vessels that carry blood toward the heart
  14. 26. Maximum arterial pressure when the heart contracts
  15. 27. Relaxation of smooth muscle in vascular walls causing a larger diameter & lower blood pressure
Down
  1. 2. Middle layer of the heart (cardiac muscle)
  2. 5. Heart valve that opens for blood exiting the left ventricle on route to the body
  3. 6. A recording of electrical changes in the heart
  4. 9. Contraction of smooth muscle in vascular walls causing a smaller diameter & increased blood pressure
  5. 10. Veins that bring blood down from the head
  6. 12. Heart valve that opens for blood exiting the right ventricle on route to the lungs
  7. 13. Arteries supplying blood to the arms
  8. 14. Smallest blood vessels between arterioles & venules
  9. 15. Heart valve between right atrium & ventricle
  10. 16. The 2 lower heart chambers that pump blood out of the heart
  11. 18. Blood vessels that carry blood from the heart
  12. 20. Circulation (circuit) pumping blood to lungs
  13. 25. Arteries supplying blood to ovaries & testes