Medical Terminology and Body Systems - Cardiac
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26 terms
Terms | Definitions |
|---|---|
 Cardiovascular System | A network with transports blood to all body cells |
| Heart (Cardi/o) | Thick muscular organ made up of several layers |
| Layers of the heart | Myocardium, endocardium, pericardium, epicardium |
| Apex | The bottom round part of the heart |
| Chambers of the heart | Receive blood for transport. Upper portion, Right and left Atrium Lower portion, Right and left ventricles |
| Septum | Divides the heart into right and left, made of cartilage |
| Valves | Keeps blood flowing in the right direction |
| Pulmonary | before the opening of the lung |
| Vessels | Transporters |
| Arteries | Carries blood away from the heart |
| Veins | Carries blood too the heart |
| Arterioles | Smaller vessels that carry blood away from the heart |
| Veinuoles | Smaller vessels carry blood to the heart |
| Capillaries | transport blood from the arterioles to the veinuoles |
| Aorta | The largest artery found in the body |
| Vena-cava | The largest vein in the body |
| Blood | Consisdered the "River of Life" (a vital organ) Circulated through the body. A constant process |
| Erythrocytes | Solid portion of blood, Red blood cells, carries the O2 and the CO2 |
| Plasma | Liquid protein, pale yellow |
| Platelets | made of fibrogen, clotting factor |
| Electrocardiogram | a tracing of the electrical impulses of the heart |
| SA Node | Sinoatrial Node - natural pacemaker ofthe heart |
| AV Node | Atrioventricular Node - maintains rythm and makes adjustments |
| Bundle of HIS | Maintians and makes connections |
| Right and Left Bundle branches | the connectors |
| Purkinje fibers | fibers in the ventricles that transmit impulses to the right and left ventricles, causing them to contract |
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