The Human Heart

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Across
  1. 2. main blood vessel carrying blood out of the heart to the body
  2. 4. side of the heart containing oxygenated blood
  3. 5. arteries that carry blood that nourishes the heart itself
  4. 7. the upper chambers of the heart
  5. 9. the lower chambers of the heart
  6. 12. location blood is headed to when traveling in the pulmonary veins
  7. 13. chamber of the heart that receives deoxygenated blood from the body
Down
  1. 1. flaps located between atria and ventricles
  2. 3. number of chambers in the human heart
  3. 4. location blood is headed to when traveling in the pulmonary arteries
  4. 6. chamber of the heart that receives oxygenated blood from the lungs
  5. 8. the walls of the left ventricle are ____ because they push blood out of the beart
  6. 10. side of the heart containing deoxygenated blood
  7. 11. vessels that return blood from the body