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Heart & Blood Vessels: Your Coronary Arteries. The heart receives its own supply of blood from the coronary arteries. Two major coronary arteries branch off from the aorta near the point where the aorta and the left ventricle meet. These arteries and their branches supply all parts of the heart muscle with blood. Left Main Coronary Artery (also called the left main trunk)
A Dr. Mehmet Oz, MD , Cardiology (Cardiovascular Disease), answered. There are two main coronary arteries, the right and the left, with branches to supply oxygen and blood throughout the heart muscle. Watch this animation to get a closer look at the coronary arteries.