Circulatory system

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Across
  1. 2. main chambers of the heart
  2. 3. vessels that carry blood to the heart
  3. 6. similar to the size of a fist
  4. 7. part of the heart that receives blood
  5. 10. cells that supply the immune system
  6. 13. the body’s tiniest blood vessels
  7. 15. pressure force of blood pushing against the wall of the heart
  8. 17. the system that contains the heart and blood vessels and moves blood through the body
  9. 18. regulates blood flow between the heart chambers
  10. 21. occurs when blood flow to the heart muscle is blocked, typically due to a buildup of plaque in the coronary arteries
  11. 22. made in bone marrow, found in the blood
  12. 23. cell fragments in blood that prevent bleeding
  13. 24. chest pain or discomfort that occurs when a part of your heart doesn't get enough blood and oxygen
Down
  1. 1. hollow spaces in your heart
  2. 3. bodies largest vein that carries deoxygenated blood
  3. 4. when the heart muscles contracts
  4. 5. pumps blood through the body
  5. 8. divides the heart into two sides
  6. 9. the liquid base for blood
  7. 11. body fluid made of plasma, and various cells
  8. 12. when the heart muscles relaxes
  9. 14. the path blood travels through the heart and lungs
  10. 16. largest artery in the human body
  11. 19. abnormally high blood pressure
  12. 20. vessels that carry blood away from your heart