The pectoral girdle connects the upper limb (arm) bones to the axial skeleton it consists of the left and right clavicles (anterior) and the left and right scapulars (posterior)
Relation between the thumb, index fingers and middle finger to the radius, humerus and clavicles, and the anterior body through cellular awareness
Relation between the ring finger and pinky to the ulna, humerus and scapular, and the posterior body through cellular awareness
Pectoral girdle can rest on the lungs