Traditionaly when talking about the skeleton, we refer to the adult skeleton seeing as an adolescent skeleton have more bones that then fuse. I agree that we need to take that into account, but I don’t believe the statement would be referring to an adolescent skeleton.
Ok then technically we are all born with an extra set of teeth. That we lose. So a full skeleton contains all the baby teeth as well.
Traditionaly when talking about the skeleton, we refer to the adult skeleton seeing as an adolescent skeleton have more bones that then fuse. I agree that we need to take that into account, but I don’t believe the statement would be referring to an adolescent skeleton.