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How do Heart Bypass operations work? - BrainStuff

BrainStuff

Since the heart is a muscle, it relies on the oxygen and nutrients contained in blood. This blood is supplied by arteries on the exterior of the heart -- when these arteries are blocked, a heart attack results. Listen to find out in this podcast from HowStuffWorks.com.

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How do Heart Bypass operations work? - BrainStuff