Circulatory System

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Across
  1. 3. Essential to the body
  2. 5. what the heart is made out of
  3. 6. valve between the right ventricle and pulmonary trunk
  4. 7. blood vessels that carry blood towards the heart
  5. 8. One of the four chambers of the heart
  6. 13. blood travels in a certain type of way (think numbers or skating moves)
  7. 14. large vein that carries the deoxygenated blood from the lower and middle body into the right atrium of the heart.
  8. 16. Main organ of the circulatory system
  9. 19. pumps the oxygen-poor blood to the lungs
  10. 20. forms the boundary between the right ventricle and the right atrium.
  11. 21. between the right ventricle and pulmonary trunk
Down
  1. 1. what we call our heart rate
  2. 2. large artery that carries oxygen-rich blood from the left ventricle of the heart to other parts of the body.
  3. 4. as the heart contracts, blood eventually flows back into the...
  4. 9. Deoxygenated blood enters the right atrium through the inferior and superior vena cava.
  5. 10. returns through a system of veins to the right atrium of the heart
  6. 11. return deoxygenated blood from the systemic circulation to the right atrium
  7. 12. carries deoxygenated blood from the right ventricle to the lungs
  8. 15. a wall of muscle that separates right from the left ventricles
  9. 17. blood vessels that deliver oxygen-rich blood from the heart to the tissues of the body
  10. 18. a system