National 5 Biology Unit 2.6 Transport Systems in Aniamls

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Across
  1. 3. The side of the heart which pumps oxygenated blood to the body.
  2. 4. WBC which produces antibodies.
  3. 6. The type of blood which flows throughout the left hand side of the heart.
  4. 8. The chamber of the heart which receives blood from the lungs.
  5. 10. The main artery which carries deoxygenated blood towards the lungs.
  6. 12. WBC which engulfs pathogens.
  7. 13. The side of the heart which pumps deoxygenated blood to the lungs.
  8. 15. The main vein which carries deoxygenated blood into the heart.
  9. 16. The chamber of the heart which pumps blood out towards the body.
  10. 18. The chamber of the heart which receives blood from the body.
  11. 22. The name given to the lower chambers of the heart.
  12. 23. Disease causing micro-organisms.
  13. 26. Blood vessel with a thin muscular wall, narrow lumen and valves.
  14. 27. Blood vessel which allows diffusion between blood and tissues to take place.
  15. 28. The main artery which carries oxygenated blood out towards the body.
Down
  1. 1. The type of blood which travels throughout the right hand side of the heart.
  2. 2. The name given to the upper chambers of the heart.
  3. 4. Veins carry blood into the heart under ______ pressure.
  4. 5. Waste product transported by blood.
  5. 7. Blood vessel with a thick muscular wall and narrow lumen.
  6. 9. The main vein which carries oxygenated blood towards the lungs.
  7. 10. The process by which phagocytes engulf and digest pathogens.
  8. 11. The chamber of the heart which pumps blood out towards the lungs.
  9. 14. The type of blood cell which fights infection.
  10. 17. Capillaries are highly efficient at exchange of materials as they are only ____ cell thick.
  11. 19. Arteries carry blood away from the heart under _________ pressure.
  12. 20. Useful substances transported by blood include Oxygen and _________.
  13. 21. Used to prevent the backflow of blood.
  14. 24. The structure which separates the left and right hand sides of the heart.
  15. 25. The blood is made up of two main parts: __________ and blood cells.
  16. 29. The type of blood cell which transports oxygen.