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 the part of an animal's body that coordinates its behavior and transmits signals between different body areas.In vertebrates it consists of two main parts, called the central nervous system (CNS) and the peripheral nervous system (PNS).t the cellular level, the nervous system is defined by the presence of a special type of cell, called the neuron, also known as a nerve cell. Neurons have special properties that allow them to send signals rapidly and precisely to other cells.