Since the recent comics have been about robot anatomy, I was just wondering something about the seams that AIs have, e.g. the line between the head and the rest of the body. Initially I thought that they were supposed to be kind of like a doll in terms of anatomy and that there were seams between each moving part, but it seems like they mostly have a fairly fluid range of movement similar to a human and that they don't have visible seams between most of their moving parts. So is the seam between the head and the body there just for convenient access to the head, i.e. so that they can easily remove it for maintenance?