The Circulatory Pathway

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Across
  1. 2. Major organ that is part of the respiratory system.
  2. 3. blood vessels that distribute oxygenated blood to the entire body.
  3. 4. located between the LV and the aorta, this is the largest artery in the body.
  4. 10. vein carrying oxgenated blood from the lungs to the LA of the heart.
  5. 12. large vein that carries deoxygenated blood from the torso and lower body to the heart's right side.
  6. 13. another term for mitral valve.
  7. 17. known as the bicuspid valve, is located between the LA and the LV.
  8. 18. specialized muscle bundle connecting the atrial and ventricular chambers of the heart. transmits impulses from the AV node.
  9. 19. collection of specialized cardiac muscle cells, bundled together to form a node within the wall of the interatrial septum.
Down
  1. 1. tiny blood vessels that collect deoxygenated blood from capillaries and drain it into larger veins.
  2. 3. main artery of the body, suppling oxgenated-blood to the circulatory system.
  3. 5. small blood vessels that carry blood away from the heart.
  4. 6. located in the right atrium of the heart, responsible for initiating the heartbeat.
  5. 7. specialized conducting fibers composed of electrically excitable cells.
  6. 8. branch of the vena cava that transports deoxygenated venous blood from the upper half of the body to the heart.
  7. 9. blood vessels that form a network between the arterioles and venules.
  8. 11. opening or hole in the wall that separates the two atria of the heart.
  9. 14. wall of tissue that separates the left and right sides of the heart.
  10. 15. tubes forming part of the blood circulation system of the body. carries deoxygenated blood towards the heart.
  11. 16. valve of three flaps that prevents reflux of blood from the RV to the RA.