Circulatory System

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Across
  1. 2. a device used to control heart rhythms
  2. 8. the liquid portion of blood
  3. 9. the events that make a heart beat
  4. 10. muscle tissue in the heart
  5. 12. narrowing of blood vessels
  6. 14. the innermost layer of tissue that lines the chambers of the heart
  7. 16. the bottom number on a blood pressure reading
  8. 20. the vibration of an artery as blood passes through it
  9. 22. another name for bicuspid valve
  10. 24. tubes that carry oxygen-poor blood to the heart
  11. 25. a concentration of capillaries
Down
  1. 1. tubes that connect arteries to veins
  2. 3. lets blood flow from left atrium to left ventricle
  3. 4. the separation of the left and right nostrils
  4. 5. small group of blood vessels from a artery to capillaries
  5. 6. movement through a membrane from high concentration to low concentration
  6. 7. supply oxygen rich blood to the heart
  7. 11. brings nutrients to cells and takes away wastes
  8. 13. a group of veins that take blood from the myocardium to the right atrium
  9. 15. one of the valves of the heart that lies in the pulmonary artery trunk and at the opening of the right ventricle
  10. 17. the product of the amount of blood per heart beat, times the number of heart beats in a minute
  11. 18. the top number on a blood pressure reading
  12. 19. the thickness of something
  13. 21. a membrane that surrounds the heart
  14. 23. two main chambers of the heart, release blood from atrium