Vocabulary – Cardiovascular System

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Across
  1. 5. The four sections of the heart that receive and pump blood.
  2. 6. The wall that divides the left and right sides of the heart.
  3. 7. A blood vessel that carries blood away from the heart.
  4. 14. The largest vein that returns blood to the heart.
  5. 16. The force exerted by blood against vessel walls.
  6. 19. Tissue death due to lack of blood supply.
  7. 20. A heart chamber that pumps blood out of the heart.
  8. 21. A small artery that leads to capillaries.
  9. 22. A small vein that connects capillaries to larger veins.
  10. 23. The thick muscular layer of the heart.
Down
  1. 1. An instrument used to listen to heart and lung sounds.
  2. 2. A device used to measure blood pressure.
  3. 3. The membrane that surrounds and protects the heart.
  4. 4. The heart's natural rhythm regulator.
  5. 8. The largest artery in the body.
  6. 9. The phase of the heartbeat when the heart muscle relaxes.
  7. 10. The smallest blood vessel where gas and nutrient exchange occurs.
  8. 11. Structures that prevent backflow of blood in the heart.
  9. 12. The phase of the heartbeat when the heart muscle contracts.
  10. 13. A blood vessel that carries blood back to the heart.
  11. 15. A test that records the electrical activity of the heart.
  12. 17. Related to the lungs, such as the artery that carries blood to them.
  13. 18. A heart chamber that receives blood from veins.