Circulatory System Crossword

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Across
  1. 6. Rhythmical throbbing of the arteries as blood flows through them.
  2. 7. Issues pertaining to the lungs.
  3. 8. Tiny, disc shaped piece of cell that is found in the blood and spleen.
  4. 10. Connect arteries and veins.
  5. 13. Colorless part of blood.
  6. 15. Vessel that delivers oxygen-rich blood to the body.
  7. 18. The outermost layer of the heart.
  8. 22. When the pressure in your blood vessels is too high.
  9. 23. Muscular chamber that pumps blood out of the heart and into the circulatory system.
  10. 24. Carry blood towards the heart.
Down
  1. 1. A wall dividing a cavity or structure into smaller ones.
  2. 2. Pressure of blood pushing against the walls of your arteries.
  3. 3. Large vein that carries blood to the heart through other areas of the body.
  4. 4. Carry blood away from the heart.
  5. 5. Help clot blood and create scabs to stop bleeding.
  6. 9. Red blood cells that have a biconcave disc without a nucleus.
  7. 11. Help the body fight infection and diseases.
  8. 12. Someone who is willing to give their blood.
  9. 14. Anatomical cavity or passage.
  10. 16. Process of blood flowing through the body.
  11. 17. Thick middle layer of the heart.
  12. 19. Part of your heart that act like doors.
  13. 20. Connected to transportation of oxygen.
  14. 21. Thin, smooth tissue that makes up the lining of the chambers and valves of the heart.