NCMCOA Crossword Puzzle- Cardiovascular

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Across
  1. 3. The thick muscular layer of the heart wall that contracts to propel blood during the heartbeat.
  2. 10. These blood vessels carry blood back toward the heart and often contain valves to prevent backflow.
  3. 12. A congenital defect where the wall between the two upper chambers of the heart has a hole.
  4. 15. These are the two lower heart chambers responsible for pumping blood out of the heart to the lungs and the rest of the body.
  5. 16. A rare but serious inflammation of the inner lining of the heart, usually caused by infection.
  6. 17. A condition in which a person’s heart suddenly and unexpectedly stops beating.
  7. 19. A sudden loss of blood supply to the brain, often caused by a clot or burst blood vessel.
  8. 20. Often called a heart attack, this occurs when blood flow to part of the heart muscle is blocked.
  9. 21. A type of irregular heartbeat that can increase the risk of stroke, heart failure, and other heart-related complications.
Down
  1. 1. A condition in which the arteries become narrowed and hardened due to a buildup of plaque, reducing blood flow.
  2. 2. The rhythmic expansion and contraction of arteries as blood is pumped.
  3. 4. This condition is marked by persistently elevated pressure in the arteries, increasing the risk of heart disease.
  4. 5. This connective tissue, composed of plasma and cells, transports oxygen, hormones, nutrients, and waste products throughout the body.
  5. 6. These thick-walled blood vessels transport oxygen-rich blood from the heart to the body's tissues, under high pressure.
  6. 7. These immune system cells are responsible for defending the body against infections, diseases, and foreign substances.
  7. 8. A condition where a heart valve doesn’t close properly, allowing blood to flow backward.
  8. 9. This central muscular organ has four chambers and is responsible for pumping oxygenated and deoxygenated blood throughout the body.
  9. 11. These microscopic blood vessels are the site of gas, nutrient, and waste exchange between blood and body tissues.
  10. 13. The largest artery in the body that carries oxygenated blood from the left ventricle to the systemic circulation.
  11. 14. A chronic condition where the heart doesn't pump blood as well as it should, leading to fluid buildup and fatigue.
  12. 18. These are the two upper chambers of the heart where blood is received from the body and lungs.