The desks and chairs in this classroom had been pushed to the side walls and piled up; a life-sized model of a human skeleton stood in a corner, and yellowed, curling posters attached to the walls showed the layouts of organs and arteries and veins. The chalk board at the front of the room was blank. Everything was covered in a thin, undisturbed layer of dust. Perhaps once Healers and nurses like Madam Pomfrey had been trained in this room, but the class had been moved or discontinued.