Janny is studying the bones of the spine, while jackson is studying the bones of the right leg. janny is studying a part of the skeleton, while jackson is studying a part of the skeleton.

axial; appendicular

Explanation:

The appendicular skeleton is made up of all the limbs, the pelvic girdle and supporting pectoralsJackson is studying the bones of the right leg which is a part of the appendicular skeletonThe axial skeleton is made up of 6 parts: the vertebral column (the spine), the rib cage, the skull, the sternum, the ossicles of the inner ear and the hyoid bone.Janny is studying the spine which a part of the axial skeleton

The answer to this would be choice b (diplod)