Historically the soul was seen sitting in the heart or the diaphragm, the chest basically, as far as I know. Because the torso exhibits features looking like a

Historically the soul was seen sitting in the heart or the diaphragm, the chest basically, as far as I know. Because the torso exhibits features looking like a face (nipples as eyes and so on) which works to scare animals, at least. Therefore, as far as there is a concept, its should be stronly tied to the torso, from a developmental perspective. Decapitation is a rather archaic practice, anyway.