Final answer:
Atherosclerosis is the buildup of plaque in arteries, leading to reduced elasticity and thickening of artery walls.
Explanation:
Atherosclerosis is a condition where plaque builds up inside arteries, causing them to thicken and stiffen. This plaque consists of white blood cells, cholesterol, and fats, reducing artery wall elasticity over time. Lifestyle choices can contribute to this condition.
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