So our brain is a mass of soft tissue and about 60% fat. So inside a hardened calcium container, there is a ball of mushy bacon like material, that harnesses electrical less energy than a lightbulb to run a giant flesh robot as well as give the flesh robot a private imaginary movie theatre, which only they can see when the flesh robot powers down to recharge.
That and a person reading a book on atoms, is basically a bunch of atoms, looking at a bunch of atoms which are somehow trying to describe what they are to that bunch of atoms.