The Circulatory System

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Across
  1. 3. chamber of the heart.
  2. 7. The process of adding oxygen to blood
  3. 9. Controls the direction and flow of blood in the heart
  4. 10. Smallest blood vessel that exchanges nutrients and waste products with tissue
  5. 11. Brings deoxygenated blood back to the heart
Down
  1. 1. Pumps blood to all parts of the body
  2. 2. System responsible for the transportation of blood throughout the body..
  3. 4. Blood lacking oxygen.
  4. 5. Lower chamber of the heart.
  5. 6. Main artery that supplies oxygenated blood to the body
  6. 8. Organs responsible for oxygenating blood.