Cardiovascular System crossword puzzle

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Across
  1. 7. are microscopic blood vessels that connect arterioles to venules.
  2. 8. A blood vessel that carries blood that is low in oxygen content from the body back to the heart.
  3. 11. is a receptor which monitor movements of joints and muscles provide input to the CV center during physical activity to cause a rapid increase in heart rate.
  4. 13. Conduction of action potentials through the heart generates electrical currents that can be picked up by electrodes placed on the skin.
  5. 16. is the alternate expansion and elastic recoil of an artery with each heartbeat.
  6. 17. is the ability of a tissue to automatically adjust its blood flow to match its metabolic demands.
  7. 19. which monitor movements of joints and muscles, provide input to the CV center during physical activity to cause a rapid increase in heart rate.
  8. 20. is the most common disorder affecting the heart and blood vessels and is the major cause of heart failure, kidney disease, and stroke.
Down
  1. 1. a medical instrument for listening to the action of someone's heart or breathing, typically having a small disc-shaped resonator that is placed against the chest and two tubes connected to earpieces.
  2. 2. valves lie between the atria and
  3. 3. exercise any activity that works large body muscles for at least 20 minutes, elevates cardiac output and accelerates metabolic rate.
  4. 4. - is a thin layer of simple squamous epithelium that lines the inside of the myocardium and covers the valves of the heart and the tendons attached to the valves.
  5. 5. an instrument for measuring blood pressure.
  6. 6. are similar in structure to arterioles; their walls are thinner near the capillary end and thicker as they progress toward the heart.
  7. 9. a hollow muscular organ that pumps the blood through the circulatory system by rhythmic contraction and dilation.
  8. 10. are small arteries that deliver blood to capillaries.
  9. 12. is an increase in the diameter of the blood vessel lumen.
  10. 14. is a failure of the cardiovascular system to deliver enough O2 and nutrients to meet metabolic needs
  11. 15. is a decrease in the diameter of the blood vessel lumen.
  12. 18. are blood vessels that carry blood away from the heart.