There is a direct relationship between the form (structure or shape) of human body parts and the way they function. When this principle is continuously applied to the study of anatomy and physiology, it will help make the material easier to understand.

The clavicle is a long bone that extends horizontally from the superior portion of the sternum to the acromion of the scapula (shoulder blade). Together, the clavicle and scapula make up the shoulder (pectoral) girdle.