res and cir

Edit Answers
1234567891011121314151617181920212223242526272829303132333435363738
Across
  1. 2. – Protective sac around the heart
  2. 7. – Emergency procedure for stopped breathing
  3. 8. – Brain part that controls breathing
  4. 9. – Transports nutrients and hormones
  5. 11. – Exchange of gases in the lungs
  6. 13. – Muscle that helps us breathe
  7. 15. – Universal recipient blood type
  8. 16. – Number of heart chambers
  9. 19. – Disease affecting alveoli
  10. 20. – Carries blood away from the heart
  11. 24. – Gas we exhale (first part of compound)
  12. 26. – Lower chamber of the heart
  13. 27. – Circulation to the rest of the body
  14. 30. – High blood pressure
  15. 31. – Tube that connects throat to lungs
  16. 32. – Fluid that circulates through the body
  17. 35. – Filters blood
  18. 36. – Carries deoxygenated blood
  19. 37. – Blood vessels that return blood to the heart
  20. 38. – Main passageway for air
Down
  1. 1. – Connects capillaries to veins
  2. 3. – Tiny air sacs in the lungs
  3. 4. – Largest artery in the body
  4. 5. – Carries oxygenated blood
  5. 6. – What the heart does
  6. 7. – Smallest blood vessels
  7. 10. – Valve between right atrium and ventricle
  8. 12. – Device to listen to heart
  9. 14. – Circulation between heart and lungs
  10. 17. – Helps blood clot
  11. 18. – Main organ of the circulatory system
  12. 19. – Flap that prevents food from entering windpipe
  13. 20. – Condition of blocked airway
  14. 21. – The process of breathing
  15. 22. – White blood cell
  16. 23. – Valve between left atrium and ventricle
  17. 25. CLUES
  18. 28. – Upper chamber of the heart
  19. 29. – Pigment that carries oxygen in red blood cells
  20. 33. – Gas we inhale to survive
  21. 34. CLUES