Soul..

Where is the soul's place in the whole complex system? (is it a system?) well we have brain, a thinking (most of the time) unit. Then we have heart a pumping (always, since we were in our mother's womb) unit. But soul? What does soul do? We pretty much know (guess) what does brain do, how it works, but thats the process, not the inner process which is the no. 1 psychology topic. Our inner place a point from which we see the world (this point is different in each of us). We may guess how that works doing experiments but we may never come to the core as that seems to be somewhere else. That could be our soul. Our 'us' 'me' 'you' which we take care about. Our intentions (which in all steps are probably always influenced by oir brain. Our dreams where the stream might begin in our soul but it is mixed with our brain's experiences. So how we can start the journey for finding our soul?