The peripheral nervous system is comprised of the somatic and autonomic nervous systems. The somatic nervous system transmits sensory and motor signals to and from the central nervous system.
The nervous system consists of two major parts: the central nervous system and the peripheral nervous system. The central nervous system is made up of the brain and spinal cord. The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.
Deep breaths, drink some cold water, take a hot bath, listen to some of your favorite music (if its calming), and try to talk to a friend. some of these helped me more than you could understand