1. What is the main cause of a heart attack? A. Blood flow is blocked by a blood clot B. Heart beats irregularly C. The valves in the heart don’t operate properly D. A blood clot is blocking a vessel to

asked Sep 19, 2021 24.6k views

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5 votes

Answer:

Step-by-step explanation:

Xenology answered Sep 20, 2021

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6 votes

Answer:

Step-by-step explanation:

When the major blood vessels supply the heart with blood become clogged.

Bio answered Sep 26, 2021

by Bio

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