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 largest and primary artery is called the aorta, and extends from the left ventricle of the heart. It branches into the other arteries that carry oxygenated blood to the bo â¦ dy.   aorta.+ 139 others found this useful.he largest and primary artery is called the aorta, and extends from the left ventricle of the heart. It branches into the other arteries that carry oxygenated blood to the bo â¦ dy.   aorta. + 139 others found this useful.