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