Plasma is a hot ionized gas with equaling ratio of positively charged and negatively charged particles. The qualities of plasmas are essentially unique in relation to those of customary impartial gases. So, plasmas are viewed as a particular “fourth condition of matter”.
For instance, since plasmas are comprised of electrically charged particles, they are emphatically impacted by electric and attractive fields while unbiased gases are definitely not. A case of such impact is the catching of fiery charged particles along geomagnetic field lines to frame the Van Allen radiation belts.
the structures of our brain stem, in conjunction with our spinal cord (not a part of our brain) is responsible for involuntary action. Not sure if it generate signals, but hey it's better than no answer.