Circulatory System

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Across
  1. 3. Lower chamber of the heart
  2. 4. Relating to the lungs
  3. 5. It pumps blood
  4. 7. 21% of the air we breathe
  5. 8. It carries blood around the body
  6. 10. A measurement of the heart rate
  7. 11. Something that takes blood away from the heart
Down
  1. 1. The name of a system in your body.
  2. 2. Something that flows through our body
  3. 6. Something that takes blood back to the heart
  4. 9. Major part of the respiratory system
  5. 11. Higher chambers of the heart