Not only mammal but all vertebrates possess a back bone for support .
A lizard's arms legs or tail should grow back after some time. also sharks are Arip off to human (there teeth grow back) and human only get their baby teeth then big teeth and sometimes, sadly fake teeth
No an iguana can only grow its tail , toe and nails back
Lobsters are invertebrates, as in they have no back bone.
No, it is not a mammal. Only mammals have backbones.
only if you paint it back on with a palette
Mammals are vertebrates and like all vertebrates have only one back bone . Back bone is made up of vertebrae .
No. Bones cannot move, they can only grow. Bones are sort of like a frame - and the muscle fills it in. The muscles are what move - a bone cannot.
put an eyebrow pencil to grow back fast
Cells
they don't unless it breaks off cause that's the only time they should grow it back
Hair only grows so fast and nothing but time will get it back to where you want it.