Cardivascular Vocab

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Across
  1. 4. relaxation phase of the heartbeat
  2. 5. beat of the heart as felt through the walls of the arteries
  3. 6. Blood vessels that branch from the aorta and carry oxygen-rich blood to the heart muscle. (2 words)
  4. 10. One of two lower chambers of the heart.
  5. 12. Small artery
  6. 13. One of two pairs of vessels carrying oxygenated blood from the lungs to the left atrium of the heart. (2 words)
  7. 17. Valve positioned between the right ventricle and pulmonary artery. (2 words)
  8. 18. Blood that is oxygen-poor (2 words)
  9. 19. Inner lining of the heart.
  10. 20. Thin-walled vessel that carries blood from body tissues and lungs back to the heart. They contain valves to prevent backflow of blood.
  11. 23. Artery carrying oxygen-poor blood from the heart to the lungs (2 words)
  12. 25. Gas (waste) released by body cells, transported via veins to the heart, and then to the lungs for exhalation. (2 words)
  13. 26. Flow of blood from body tissue to the heart and then from the heart back to body tissues. (2 words)
  14. 28. Smallest blood vessel. Materials pass to and form the bloodstream through the thin capillary walls.
  15. 29. Innermost lining of blood vessels
  16. 30. Largest vein the body. (2 words)
Down
  1. 1. Instrument to measure blood pressure
  2. 2. valve between the left atrium and the left ventricle; bicuspid valve (2 words)
  3. 3. Structure in veins or in the heart that temporarily closes an opening so that blood flows in only one direction. (2 words)
  4. 7. Located between the right atrium and the right ventricle; it has three (tri-) leaflets, or cusps.
  5. 8. Double-layered membrane surrounding the heart.
  6. 9. small vein
  7. 11. Largest artery in the body
  8. 14. Gas that enters the blood through the lung in travels to be pumped via arteries to all body cells.
  9. 15. Lower tip of the heart
  10. 16. Largest type of blood vessel; carries blood away from the heart to all parts of the body.
  11. 21. Flow of blood from the heart to the lungs and back to the heart (2 words)
  12. 22. One of two upper chambers of the heart
  13. 24. Record of the electricity flowing through the heart. The electricity is represented by waves or deflections called P, QRS, or T
  14. 27. Contraction phase of the heartbeat