Cardiovascular System

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Across
  1. 3. artery in the thigh
  2. 4. the muscular wall dividing the heart's left and right sides
  3. 7. artery in the lower arm
  4. 8. microscopic vessels that carry blood between the arterial and venous vessels
  5. 11. smaller vessels branched from arteries
  6. 12. artery in the foot
  7. 13. beats more than 100,000 times a day
  8. 14. type of blood in vein structure
  9. 17. carries blood back to the heart
  10. 18. a heart valve located between the right atrium and right ventricle
  11. 19. a one-way valve in the heart that regulates the flow of oxygen-poor blood from the right ventricle to the pulmonary artery
  12. 20. helps control body temperature and maintain electrolyte balance
Down
  1. 1. flows from the capillaries into tiny veins
  2. 2. artery in the lower leg
  3. 5. the muscular tissue of the heart
  4. 6. type of blood in artery structure
  5. 9. carries blood away from the heart
  6. 10. a one-way valve in the heart that sits between the left atrium and the left ventricle
  7. 15. the largest artery in the body
  8. 16. prevents backwards flow