An Old Friend from Med School

In the he olden days, when Sog was a trainee people mechanic, students were loaned a half skeleton to help them learn the names of the bony prominences etc. This is the skull from Sog's half skeleton. I'm not sure how they got over the fact that each skeleton had only one head: maybe 50% of graduates from those days have only a hazy knowlege of the anatomy of the skull! Worrying isn't it?