Pectoral Girdle and Upper Limb

the pectoral girdle is an incomplete ring because it is open in the back between the (a)  

the medial ends of the clavicles articulate with the (a)   of the sternum

the lateral ends of the clavicles articulate with the (a)   process of the scapula

the (a)   divides the posterior side of the scapula into unequal portions

the lateral tip of the shoulder is the (a)   process of the scapula

near the lateral end of the scapula, the (a)   process curves anteriorly and inferiorly from the clavicle

the glenoid cavity of the scapula articulates with the (a)   of the humerus

carpals

humerus

metacarpals