Circulatory and Respiratory

1234567891011121314151617181920212223242526272829
Across
  1. 2. – The liquid portion of blood that carries cells and nutrients
  2. 6. – Protein in red blood cells that binds to oxygen
  3. 7. – Tubes that branch from the trachea into each lung
  4. 11. – Blood vessels that carry blood away from the heart
  5. 12. – The process of adding oxygen to the blood
  6. 15. – The wall that separates the right and left sides of the heart
  7. 16. – A condition where airways become narrowed
  8. 17. – A waste gas removed from the body through exhalation
  9. 18. – Carries oxygen-poor blood from the heart to the lungs
  10. 21. – The body system that transports blood, oxygen, nutrients, and wastes
  11. 23. – The largest artery that carries oxygen-rich blood to the body
  12. 24. – The rhythm of heartbeats felt in arteries
  13. 25. – Cells that carry oxygen using hemoglobin
  14. 27. – Blood vessels that carry blood back to the heart
  15. 28. – Lower chamber of the heart that pumps blood out
  16. 29. – Upper chamber of the heart that receives blood
Down
  1. 1. – Tiny blood vessels where gas and nutrient exchange occurs
  2. 3. – High blood pressure
  3. 4. – The process of oxygen entering the blood and carbon dioxide leaving it
  4. 5. – Carries oxygen-rich blood from the lungs to the heart
  5. 8. – The force of blood pushing against vessel walls
  6. 9. – A muscle that helps control breathing by contracting and relaxing
  7. 10. – Large veins that bring oxygen-poor blood to the heart
  8. 13. – Cells that help fight infection
  9. 14. – The airway that carries air to the lungs (windpipe)
  10. 19. – The system responsible for breathing and gas exchange
  11. 20. – Cell fragments that help blood clot
  12. 22. – Tiny air sacs in the lungs where gas exchange occurs
  13. 26. – A muscular organ that pumps blood throughout the body