Crossword Vocab

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Across
  1. 4. Node- dense network of fibers of conduction at the junction of the superior vena cava and right atrium; it sends out an electrical impulse that begins and regulates the heart rate; also called pacemaker
  2. 5. fibers that conduct impulses through the ventricles of the heart,
  3. 9. valve between the left atrium and left ventricle; allows blood to flow from left atrium to left ventricle, Bicuspid (mitral)valve
  4. 10. Atrium -The left atrium chamber of the heart,
  5. 11. Largest artery in body, rising from the left ventricle of the heart; takes blood from the heart to the rest of the body.
  6. 13. bundle -conducting fibers in the septum; also known as the bundle of His
  7. 15. Fibers -conducting fibers in the septum; also known as the bundle of His, bundle of His
  8. 17. Muscle of the heart,
  9. 18. Partition; dividing wall between two spaces or cavities, such as the septum between left and right sides of the heart or nose
  10. 20. sinus- Pocket in posterior of right atrium into the which the coronary vein empties,
Down
  1. 1. valve at the opening of the pulmonary artery that allows blood to flow from the right ventricle into the pulmonary artery, Pulmonary semilunar valve
  2. 2. cava- Large blood vessel that returns blood to the right atrium; there are two; superior and inferior,
  3. 3. Membrane lining the interior of the heart.,
  4. 6. arrest- Syndrome resulting from failure of the heart as a pump,
  5. 7. Double layer of serous and fibrous tissue surrounding the heart,
  6. 8. artery- Structures that take blood from the right ventricle to the lungs
  7. 12. up of three half-moon-shaped cups, located between the junction of the aorta and the left ventricle of the heart, Aortic semilunar valve
  8. 14. ventricle- One of the lower chambers of the heart. One of the lower chambers of the heart, Left ventricle- Vale between right atrium and right ventricle; allows blood to flow from the atrium to the right ventricle. tricuspid valve
  9. 15. dense network of fibers of conduction at the junction of the superior vena cava and right atrium; it sends out an electrical impulse that begins and regulates the heart rate.
  10. 16. Atrium -The right atrium of the heart
  11. 19. (AV) node- small mass of interwoven conducting tissue located between the atria and ventricles,