sci

123456789101112131415161718192021222324252627282930313233343536373839
Across
  1. 3. Pressure : The force of blood pushing against vessel walls
  2. 5. : Tiny vessels where gas and nutrient exchange occurs
  3. 8. : Prevent backflow of blood in the heart
  4. 9. : Oxygen-carrying protein in red blood cells
  5. 12. : Muscle that helps control breathing
  6. 15. Rate : Number of breaths per minute
  7. 17. : Condition causing inflamed and narrowed airways
  8. 18. : Windpipe; connects throat to lungs
  9. 23. Cava : Largest vein in the body
  10. 24. : Act of breathing in air
  11. 25. : Tiny sacs where gas exchange happens
  12. 27. : Cellular process that uses oxygen to release energy
  13. 30. : Main organs of the respiratory system
  14. 33. : Vessels that carry blood away from the heart
  15. 34. : Voice box; houses vocal cords
  16. 35. : Liquid portion of blood
  17. 36. : Small airways inside the lungs
  18. 38. : Act of breathing out air
  19. 39. : Ion that transports carbon dioxide in the blood
Down
  1. 1. : Medical term for high blood pressure
  2. 2. : Two tubes that branch into the lungs
  3. 4. Blood Cells : Blood cells that fight infection
  4. 6. Circulation : Circulation between heart and lungs
  5. 7. : Largest artery in the body
  6. 10. Circulation : Circulation between heart and rest of the body
  7. 11. Dioxide : Waste gas exhaled from the lungs
  8. 13. : Lung infection that fills alveoli with fluid
  9. 14. : Throat; passage for air and food
  10. 16. Blood Cells : Blood cells that carry oxygen
  11. 19. : Condition caused by low red blood cells or hemoglobin
  12. 20. : Entry point for air; filters and moistens it
  13. 21. Node : Heart’s natural pacemaker
  14. 22. : Circulating fluid that transports oxygen and nutrients
  15. 23. : Vessels that carry blood back to the heart
  16. 26. Capacity : Total volume of air the lungs can hold
  17. 28. Arteries : Arteries that supply the heart muscle
  18. 29. Exchange : Transfer of oxygen and carbon dioxide in lungs
  19. 31. : Help form clots to stop bleeding
  20. 32. : Gas absorbed from the air into the blood
  21. 37. : Muscular organ that pumps blood