The more division and the sensory division, now we are in complete control of this voluntary motion. But the somatic nervous system doesn't only control voluntary movement of skeletal muscle, it also controls reflex arcs that we are not in control of. So reflex arcs are basically those reflexes, those responses that we have no control over. So they simply take place and we cannot do anything about them. So the somatic nervous system is also responsible for reflex arcs. These are quick and automatic responses that cannot be controlled voluntarily.