PHS - CIRCULATORY SYSTEM KMP

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Across
  1. 3. high blood pressure
  2. 4. blood vessel type that is one cell layer thick
  3. 9. double layer outer membrane surrounding the heart
  4. 10. dilated, swollen veins that have lost elasticity
  5. 13. valve between the left atrium and left ventricle
  6. 16. wall that separates the heart into left and right sides
  7. 17. type of vessel returns blood to the heart
  8. 18. foreign substance in the bloodstream
  9. 19. malignant disease of the bone marrow
  10. 21. low number of erythrocytes or hemoglobin
  11. 24. type of blood cell that fights infection
  12. 25. inner layer of the heart that allows for the smooth flow of blood
  13. 26. valve between the right atrium and right ventricle
  14. 27. the average adults has 4-6 ____ of blood in their body
  15. 29. valve the blood travels through exiting the left ventricle
  16. 33. hardening or thickening of arterial walls
  17. 34. heart attack
Down
  1. 1. blood cell that assists in clotting
  2. 2. smallest arteries
  3. 5. valve exiting the right ventricle
  4. 6. blood vessel that carries blood away from the heart
  5. 7. blood returning from the body enters the right ___ (chamber of the heart)
  6. 8. low blood pressure
  7. 11. blood cell that contains hemoglobin
  8. 12. liquid portion of blood
  9. 14. smallest veins
  10. 15. inherited disease that leads to prolonged bleeding
  11. 20. fatty plaques on the walls of the arteries
  12. 22. largest artery
  13. 23. type of blood vessel that might contain a valve to prevent the backflow of blood
  14. 28. thick, muscular layer of the heart
  15. 29. ballooning out of an arterial wall
  16. 30. the period of rest, ventricular filling
  17. 31. inflammation of a vein
  18. 32. period of ventricular contraction