Your brain has nerves and those nerves run throughout your system so in that case your central nervous system control everything. It is like a director it tells your heart to pump blood it signals everything it even control your homeostasis and reflex.
This would definitely be true.
Peer pressure is the direct influence on people due to peers, or also the effect on an individual who gets encouraged to follow their peers by changing their attitude, values or their behaviors to given in to those who are influencing the group or individual.
I hope this helps!
what kind of people is these