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4 Cards in this Set
- Front
- Back
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Define Cardiovascular Disease |
Cardiovascular disease is any disease that directly affects the circulatory system. |
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Define Coronary Heart Disease |
The disruption of blood flow to the heart muscle. Blockage or damage of the coronary arteries supplying the heart with blood. |
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What is the definition of a stroke? |
A stroke is when blood flow to part(s) of the brain is cut off due to a blockage or damage to an artery of the brain. |
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Describe the function and structure of an artery. |
Arteries carry oxygenated blood (apart from the pulmonary artery which carries deoxygenated blood) away from the heart. Structure; Outer layer; Collagen Layer Middle layer; thick layer made from muscle and elastin. Inner layer; endothelium, which is 1 cell thick. Have thick walls to withstand high pressure from the blood, lumen is relatively small in comparison to wall thickness. |
