Cardiopulmonary System

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Across
  1. 3. Throat tube
  2. 6. Respiratory and circulatory systems together
  3. 8. Tiny vessels, exchange O2, CO2 and nutrients
  4. 9. Blood clotter
  5. 11. Black death
  6. 14. Part of blood, carries O2
  7. 16. Gas that we need
  8. 17. Vessel leading away from heart
  9. 18. Small pocket exchanges gases
  10. 20. Part of heart, receives blood
Down
  1. 1. Circuit that connects lungs and heart
  2. 2. Circuit that connects heart with body
  3. 4. Hollow muscle, never tires
  4. 5. Part of blood, fights off invaders
  5. 7. Gas waste
  6. 9. Part of blood, liquid of blood, carries nutrients
  7. 10. Another way of saying heartbeat
  8. 12. Lung branches
  9. 13. Part of heart, pumps away from heart
  10. 15. Voice box
  11. 19. Vessel leading toward heart