This energy-body seems to cause the urge to breathe in and out. This can be experienced by moving this energy-body temporarily to the side, which causes the urge to breathe to cease.
The in-flow part is the bright area in front of the chest (as illustrated), which inflows energy and causes the urge to breath in (this flow was spotted by Max Sandor). After that, the dark part is the outflow of energy downwards (as illustrated) which causes the urge to breathe out.
Much lower than illustrated, the out-flow area forms multiple lines of flow which curve forwards and up, flowing energy back into the inflow area.