Heart Vocabulary Puzzle

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Across
  1. 4. permits blood to pass from left ventricle into the aorta but not backward into the left ventricle.
  2. 6. the large venous blood vessels that bring deoxygenated blood
  3. 9. takes blood away from the right ventricle to the lungs for oxygen
  4. 10. takes blood away from the left ventricle to the rest of the body
  5. 11. fibers fine network of brances spreading throughtout the ventricles
  6. 12. Another word for sinoatrial (sa) node
  7. 14. A large venous channel located on the posterior wall of the heart that recieves blood from the coronary veins and empties the blood into the right atrium
  8. 15. sends out an electrical impulse that begins and regulates the heart
  9. 16. of HIS the same as the atrioventricular bundle
  10. 18. found at the orifice, or opening of the pulmonary arteries
  11. 20. covers the heart valves and lines the blood vessels, providing a smooth transit for the flowing blood
  12. 21. a heart chamber that receives oxygen-poor blood from the body.
  13. 22. completely separates the blood in the right half from that in the left half
  14. 23. lower chambers
Down
  1. 1. resembles a bishop's hat, called a miter
  2. 2. Makes up the major portion of the heart
  3. 3. cell groupd located between the atria and ventricles, carried to conducting fibers int he septum
  4. 5. when the heart stops beating
  5. 7. A double layer of serous and fibrous tissue
  6. 8. between the right atrium and the right ventricle
  7. 13. divides into a right and left branch
  8. 17. a heart chamber that receives oxygen-rich blood from the lungs.
  9. 19. lower chambers