what is heart attack??. . . . .
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8
Explanation:
A heart attack occurs when an artery supplying your heart with blood and oxygen becomes blocked. Fatty deposits build up over time, forming plaques in your heart's arteries. If a plaque ruptures, a blood clot can form and block your arteries, causing a heart attack.
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4
Answer:
A heart attack, also called a myocardial infarction, happens when a part of the heart muscle doesn't get enough blood.
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