I've used various versions of the Stick and I agree completely that it seems overpriced when you consider what it *is*, but the darn thing is good at what it *does*, and you'll quickly get over the cost.
In vertebrate species it consists of two main parts, the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS contains the brain and spinal cord. The PNS consists mainly of nerves, which are enclosed bundles of the long fibers or axons, that connect the CNS to every other part of the body.
The nervous system is a complex, sophisticated system that and regulates and coordinates body activities and its interaction with the external environment.It has two major parts-the central nervous system and the peripheral nervous system. The central nervous system comprises of the brain and spinal cord.he central nervous system consists of the brain and spinal cord, the peripheral nervous system consists of all of the other nervous tissue in the body such as the nerves going to and from the spinal cord and the nerves in the limbs.