Circulatory System

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Across
  1. 2. where blood exits the right ventricle
  2. 3. where the heart is located underneath
  3. 5. red blood cells
  4. 11. return blood back to the heart
  5. 12. the smallest arteries
  6. 14. narrow end of the heart
  7. 15. a vein, transports oxygen-depleted blood from upper extremities (head, neck)
  8. 19. transports blood to and from the heart with the help of blood vessels
  9. 20. maintain directional flow of blood
Down
  1. 1. a vein, transports oxygen-depleted blood from lower extremities (thorax, abdomen)
  2. 4. my name!
  3. 6. white blood cells
  4. 7. straw-colored fluid, makes up 55% of total blood volume
  5. 8. makes up lower chambers of the heart
  6. 9. bottom left of heart
  7. 10. pumps blood and circulates oxygen throughout the body
  8. 13. muscles connect AV valves to cone shaped muscles that extend upward from the myocardium
  9. 14. transport blood away from the heart
  10. 16. large, elastic artery
  11. 17. transport blood to and from the systemic and pulmonary circulatory system
  12. 18. muscle layer of the heart