Cardiovascular System

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Across
  1. 4. The type of muscle found in the heart
  2. 5. The number of contractions of the heart per minute
  3. 6. The protein contained in red blood cells which attaches to oxygen molecules
  4. 8. The most important nutrient carried in the blood
  5. 9. The smallest blood vessels adapted for gas exchange
  6. 12. Artery carrying blood from the heart to the bodies tissues
  7. 13. The amount of blood pumped out of the left side of the heart in each beat
  8. 14. The branch of the circulatory system going to the lungs
  9. 15. The branch of the circulatory system going to the body
Down
  1. 1. The amount of blood pumped out of the left side of the heart per minute
  2. 2. The chamber of the heart where deoxygenated blood returning from the body enters
  3. 3. Helps fight infection by destroying bacteria and producing antibodies
  4. 7. The type blood vessel carrying blood back to the heart
  5. 10. The chamber of the heart from which blood is ejected to the rest of the body
  6. 11. Carries oxygen in the blood