group 2: CV'sHEART

2. septum The structure that separates the right ventricle from the left ventricle
5. The phase of relaxation in the cardiac cycle
10. The type of blood vessel that Carries the blood away from the heart
15. Process in which fatty substances are deposited in the walls of the arteries resulting in an impeded blood flow.
16. node The natural pacemaker of the heart
18. Microscopic blood vessels that connect arterioles to venules
20. The middle thickest layer that is composed of cardiac tissues responsible for the heart’s contraction and pumpingpericardiu

1. The type of blood the coronary arteries of the heart delivers to the myocardium.
3. A recording that is produced by electrical currents created by the action potentials of the conduction system that is detected by electrodes placed on the skin’s surface.
4. layer The outer layer of the serous pericardium that is fused to the fibrous pericardium
6. The inferior pointed end of the heart.
7. hormone The type of hormone that increases the heart rate
8. The lower chambers of the heart
9. An excess of what nutrient will increase the heart rate and contraction force.
11. ovalis An oval depression on an interatrial septum
12. tendinae Tendon like cords that connect to papillary muscles
13. valve A valve consisting of three cusps
14. The membrane that surrounds the heart
17. sinus A major vein that collects blood from the coronary circulation back into the heart
19. The first heart sound