<prompt> False about clavicleOssifies membraneHorizontal boneNo medullary cavityMost common site of fracture is the junction of medial 13rd with lateral 23rd  <response>: BD CHOURASYAS HUMAN ANATOMY VOLUME 1 page no:8 The clavicle is commonly fractured by falling on the outstretched hand.the most common site of fracture is the junction between the two curvatures of the bone which is the weakest point 