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Cardiovascular Sytm
| Question | Answer |
|---|---|
| Circulatory system | known as the cardiovascular system consists of the heart, blood vessels, and blood |
| endocardium | a smooth layer of cells that lines the inside of the heart and is continuous the inside of blood vessels |
| myocardium | the thickest layer, the muscular middle layer |
| percardium | doubled layered membrane sac, that covers the outside of the heart |
| septum | a muscular wall that separates the heart into a right side and a left side |
| right atrium | receives blood as it returns from the body cells |
| right ventricle | receives blood from the right atrium and pumps blood into the pulmonary artery, which carries the blood to the lungs for oxygen |
| left atrium | receives oxygenated blood from the lungs |
| left ventricle | receives blood from the left atrium and pumps the blood into the aorta for transport to the body cells |
| tricuspid valve | located between the right atrium and right ventricle contracts allowing blood to flow to the lungs and preventing blood from flowing back into the right atrium |
| pulmonary valve | between the right ventricle and pulmonary artery a blood vessel that carries blood to the lungs |
| mitral valve | located between the left atrium and left ventricle It closes when the left ventricle is contracting allowing blood into the aorta and prevent blood flowing back into the left atrium |
| aortic valve | biggest artery in the body. it closes when left ventricle is finished contracting. allow blood back to the aorta prevent flow to the left ventricle |
| diastole | cycle consist of a brief period of rest |
| systole | period of ventricular or contraction |
| Arteries | carry blood away from the heart |
| Capillaries | connect arterioles with venules, the smallest vein |
| Veins | are blood vessels that carry blood back to the heart |
| Blood | flows through the circulatory system often called tissues for its different types of cells |
| Plasma | approximately 90 percent water, with many dissolved or suspend minerals |
| Erythrocytes | red blood cells, are produced in the red bone marrow at a rate of one million per minute |
| hemoglobin | a complex protein composed of the protein molecule called globin and the iron compound called heme. |
| Leukocytes | white blood cells, are not as numerous as are erythrocytes |
| Arrhythmia | abnormal heart rhythm and is mild to life threatening |
| PAC | premature atrial contraction |
| Defibrillator | a device that shocks the heart with an electrical current to stop the coordinated contraction of the heart and allow the SA node to regain control |
| Pacemaker | a small battery powered device with electrodes |
| CHF | congestive heart failure |
| Aneurysm | a ballonning out of, or saclike formation on an artery wall |
| Atherosclerosis | when fatty plaques are depoisted on the wall of the arteries |
| embolus | a foreign substances circulating in the bloodstream |
| Hyportension | high blood pressure |
| MI | myocardial infraction |
| Phlebitis | an inflammation of a vein, frequently in the leg |
| Anemia | an inadequate number of red blood cells, hemoglobin, or both. |
| Arteriosclerosis | a hardening or thickening of the arterial walls resulting in a loss of elasticity |
| Hemophilia | an inherited disease that occurs almost exclusively in males but can be carried in females |
| Varicose veins | dilated, swollen veins that have lost elasticity and causes decreased blood flow |
Created by:
Sergiosaurs
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