Final answer:
Atherosclerosis is the buildup of cholesterol and other blood components in the arteries, which can block blood flow. It commonly affects the coronary arteries.
Step-by-step explanation:
Atherosclerosis, also known as plaque, is a condition in which cholesterol and other blood components build up in the walls of arteries, causing them to narrow and potentially block blood flow. This condition commonly affects the coronary arteries, which supply blood to the heart muscle, leading to a condition called coronary artery disease (CAD).
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