So we have symmetry taking place. Now the subclavian artery, the common carotid artery, this vertebral artery all bring our oxygenated and nutrient filled blood to the organs and tissues found in the upper portion of our body. In the head portion, the neck region, the shoulders, as well as our arms and the coronary arteries bring our blood to the heart of our body. Now let's continue onwards. So we have the ascending portion of the aorter. We also have this aortic arch.