A member asked:

What is the purpose of coronary arteries?

4 doctors weighed in across 2 answers

Feed heart muscle: Coronary arteries provide fresh blood (including oxygen & nutrients) to the heart muscle itself. The heart muscle is so thick that the blood inside the heart can't penetrate the thickness of the heart muscle enough to provide adequate blood flow. Since the heart is always active, it needs a constant & large amount of blood.

Answered 3/26/2013

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Heart's supply: They supply blood to the heart muscle itself (not to be confused with the blood inside the heart's chambers which is delivered to all other organs).

Answered 8/16/2013

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