Answer: SOMATIC nervous system.
SNS, Somatic nervous system or voluntary nervous system is a part of the nervous system which is not the central nervous system that is responsible for intentional control of body movement through the voluntary muscle of vertebrates, which is striated and anchored by tendons to bone.
In essence, turning the pages of a book, using your pen to take notes, or raising your hand are all possible due to the SOMATIC NERVOUS SYSTEM.