THE CIRCULATORY SYSTEM

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Across
  1. 1. Carries blood from right ventricle to the lungs
  2. 6. Upper two chambers of the heart
  3. 8. Bottom two chambers of the heart
  4. 12. Part of the heart,pumps blood to all body parts
  5. 13. Keeps the blood flowing in one direction
  6. 14. Instrument used to measure heart rate
  7. 16. Carries oxygenated blood from left ventricle to whole body
  8. 17. As you exercise your heart rate will _______
Down
  1. 2. Blood vessels that carry blood to the heart
  2. 3. Blood vessels that exchange oxygen and carbon dioxide
  3. 4. Name to describe the heart muscle
  4. 5. Number of chambers in the heart
  5. 7. Part of heart,receives oxygenated blood from the lungs
  6. 9. Heart beat is also called________
  7. 10. blood rich in carbon dioxide
  8. 11. Blood vessels that carry blood away from the heart
  9. 15. Part of heart,receives impure blood from the body