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Heart attack occurs due to
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- Bacterial attack on the heart
- Stopping of heart beat
- Lack of supply of blood to the heart itself
- Impairment of heart’s working due to unknown reasons
- Bacterial attack on the heart
Correct Option: C
A heart attack occurs when blood flow to a part of your heart is blocked for a long enough time that part of the heart muscle is damaged or dies. The medical term for this is myocardial infarction. Most heart attacks are caused by a blood clot that blocks one of the coronary arteries. The coronary arteries bring blood and oxygen to the heart. If the blood flow is blocked, the heart is starved of oxygen and heart cells die.
