How Many Coronary Arteries does a Human have?

Answer

A human has two coronary arteries, the right coronary artery and the left main coronary artery. Both the main right and left arteries branch out into smaller arteries. These include the right marginal artery and the posterior descending artery and the left anterior descending artery and the circumflex artery. You can find more information here: my.clevelandclinic.org
1 Additional Answer
The heart's blood vessels are the coronary arteries. There are two main coronary arteries, each with two branches. They arise from the aorta and branch down into the capillaries of the heart wall. You can find more information here: webcache.googleusercontent.com
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