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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)
What is the major artery of the neck? The left and right common carotid arteries branch off the arch of the aorta. They travel up through the neck and at the level of C4 divide into external and internal carotid a â¦ rteries. The internal travels more deeply and ultimately the blood it carries supplies areas of the brain, the external is more superficial and is largely responsible for supplying areas of the neck and face.