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A member asked:
Why does the heart have a separate circulatory system and what circulatory system is effected by a heart attack?
3 doctors weighed in across 2 answers
Coronary arteries: The coronary arteries deliver oxygen-rich blood to the heart (myocardium).
Answered 11/23/2017
703 views
The heart: doesn't have a circulatory system that is truly separate,but it is a muscle, and like any muscle or organ,has its own blood supply derived from the main circulatory system.The coronary arteries extend from the aorta and supply the heart. In a heart attack,one or more coronary arteries become narrowed or blocked, and without enough oxygenated blood(ischemia), the supplied tissue may die(infarct)
Answered 11/23/2017
703 views
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