Cardiovascular System

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Across
  1. 3. flow Exchange method that allows for the movement of plasma but not blood cells or proteins
  2. 7. Division of autonomic nervous system that decreases cardiac output
  3. 11. Mechanoreceptors sensitive to changes in mean arterial and pulse pressure
  4. 12. Layer of the heart comprised of cardiac muscle
  5. 15. Alternate name for right AV valve
  6. 17. Phase of action potential in cardiac contractile cells needed to prevent fatigue
  7. 18. ventricle Chamber that pumps blood into the aorta
  8. 19. Slow depolarization occurs not due to VG Na+ channels, but ______ channels
  9. 20. Feature that veins possess to prevent backflow of blood
  10. 22. Organ that filters toxins out of blood
  11. 23. fibers Network of fibers stemming from the Bundle of His
  12. 24. Smallest diameter blood vessels found in the circulatory system
Down
  1. 1. Dominant node in heart
  2. 2. Process that occurs in capillaries when net pressure is positive
  3. 4. Type of cells that can generate their own action potentials
  4. 5. Period of cardiac cycle consisting of relaxing and filling
  5. 6. Vessels in which blood is flowing at the lowest pressure
  6. 8. Heart sound that occurs when blood is forced through a narrow opening
  7. 9. Type of blood vessel that carries blood towards the heart
  8. 10. When vessel diameter is halved, resistance is ______ times greater
  9. 13. Factor dependent on blood viscosity, vessel length, and vessel radius that affects blood flow
  10. 14. Blood pressures below 100/60 mm Hg
  11. 16. Heart problem in which valve doesn’t close completely
  12. 21. volume Amount of blood pumped out of the chamber during contraction
  13. 23. pressure Pressure difference between systolic and diastolic pressure