Res and CIR

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Across
  1. 2. – What the heart does
  2. 3. – Valve between left atrium and ventricle
  3. 6. – Tiny air sacs in the lungs
  4. 9. – White blood cell
  5. 11. – Carries oxygenated blood
  6. 13. – Number of heart chambers
  7. 14. – Main organ of the circulatory system
  8. 16. – Connects capillaries to veins
  9. 18. CLUES
  10. 19. – Transports nutrients and hormones
  11. 20. – Universal recipient blood type
  12. 21. – Carries blood away from the heart
  13. 22. – Blood vessels that return blood to the heart
  14. 24. – Brain part that controls breathing
  15. 26. – Pigment that carries oxygen in red blood cells
  16. 27. – Emergency procedure for stopped breathing
  17. 31. – Lower chamber of the heart
  18. 32. – Filters blood
  19. 33. – Device to listen to heart
  20. 34. – Main passageway for air
  21. 35. – Circulation to the rest of the body
  22. 36. – Upper chamber of the heart
  23. 38. – Gas we inhale to survive
  24. 39. – The process of breathing
  25. 40. – Largest artery in the body
Down
  1. 1. – Carries deoxygenated blood
  2. 4. – Tube that connects throat to lungs
  3. 5. CLUES
  4. 7. – Circulation between heart and lungs
  5. 8. – Muscle that helps us breathe
  6. 10. – Flap that prevents food from entering windpipe
  7. 11. – Helps blood clot
  8. 12. – Condition of blocked airway
  9. 15. – Smallest blood vessels
  10. 17. – Protective sac around the heart
  11. 23. – Fluid that circulates through the body
  12. 25. – Disease affecting alveoli
  13. 28. – Valve between right atrium and ventricle
  14. 29. – High blood pressure
  15. 30. – Exchange of gases in the lungs
  16. 37. – Gas we exhale (first part of compound)