The appendicular skeleton is made up of all the limbs, the pelvic girdle and supporting pectorals
Jackson is studying the bones of the right leg which is a part of the appendicular skeleton
The 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
Bacteria reproduces exponentially so like at first you’d have one, then 2, then 4, then 16... (because each bacteria splits into 2) and eventually a few hours later you’ll have millions
