Circulatory System

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Across
  1. 2. ______ types of blood vessels
  2. 4. Which loop does the blood travel from the heart to the lungs and back?
  3. 6. Surgery performed on the internal structures of the heart
  4. 8. Largest artery
  5. 9. A group of heart cells that gives signals that lead to the heart muscle contractions
  6. 10. Blood travels through our body using tubes called _________
  7. 13. Where does blood get oxygenized?
  8. 14. How many pressure readings are there for checking one's blood pressure?
  9. 15. Found among skeletal muscles
Down
  1. 1. Can occur when coronary arteries become blocked
  2. 3. If you are suffering from fatigue, chest pain, and dizziness, you might have _________
  3. 5. __________ ___________s perform surgery on the heart and great vessels
  4. 7. Smallest blood vessel
  5. 11. One system that relates to the circulatory system
  6. 12. Stops blood with at least a little oxygen from combining with the heart