Parts of the Heart

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Across
  1. 2. Valve between the left atrium and left ventricle.
  2. 3. Chamber of the heart that receives deoxygenated blood from the body.
  3. 4. Major vein that carries deoxygenated blood from the lower body to the heart.
  4. 5. Blood Blood that is low in oxygen and high in carbon dioxide.
  5. 7. Blood that is rich in oxygen.
  6. 9. Vessels that carry deoxygenated blood from the heart to the lungs.
  7. 11. An abnormal sound during the heartbeat cycle.
  8. 13. Inner lining of the heart chambers.
  9. 14. The number of heartbeats per minute.
  10. 17. Valve between the right atrium and right ventricle.
  11. 18. Chamber of the heart that receives oxygenated blood from the lungs.
  12. 21. Chamber of the heart that pumps deoxygenated blood to the lungs.
Down
  1. 1. Major vein that carries deoxygenated blood from the upper body to the heart.
  2. 6. Chamber of the heart that pumps oxygenated blood to the body.
  3. 8. Major artery that carries oxygenated blood from the heart to the body.
  4. 9. Vessels that carry oxygenated blood from the lungs to the heart.
  5. 10. Protective sac surrounding the heart.
  6. 12. Heart muscle tissue responsible for contraction.
  7. 15. Valve that regulates blood flow from the left ventricle to the aorta.
  8. 16. The movement of blood throughout the body.
  9. 19. Valve that regulates blood flow from the right ventricle to the pulmonary artery.
  10. 20. The rhythmic expansion of arteries as blood is pumped through them.