Definition of piece rate: Payment by results. Wage determination system in which the employee is paid for each unit of production at a fixed rate.
The main arteries in the neck are the common carotids arising differently, one on each side (see the images below). On the right, the common carotid arises at the bifurcation of the brachiocephalic trunk behind the sternoclavicular joint; on the left, it arises from the highest point on arch of the aorta in the chest.
The main artery of the body is called the aorta. It supplies blood to all parts of the body with the exception of the lungs. The aorta ascends from the heart and forms an arch, from which arise two subclavian arteries.Each subclavian has two main branches, the common carotid and the vertebral.he main artery of the body is called the aorta. It supplies blood to all parts of the body with the exception of the lungs. The aorta ascends from the heart and forms an arch, from which arise two subclavian arteries.