The Nervous System
By: Safir I. Santiago Almodóvar
What is the nervous system and its function?
The nervous system is what coordinates the body's systems with three major functions:
- To recieve data about environmental conditions.
- To integrate the sensory data in a meaningful form.
- Brings a change in behavior, physiology, or information storage to help an organism survive.
- Neurons: a nerve cell that transmits messages throughout the body.
- Dendrites: (picture above) the branching projections of a neuron or nerve cell that transmit nerve impulses to the body of a cell.
- Axon: a portion of a nerve cell that carries the impulse away from the cell body.
- Interneuron: a nerve cell that relays messages between other nerve cells.
- Nervous tissue: transmits electrochemical impulses when an object deforms the nervous tissue and triggers a nerve impulse.
The study of the nervous system is neurology and the name of the dkctor that srudies it is a neurologist. There are many diseases that can affect the nervous system, most of them dealing with the brain itself, and one of them being schizophrenia, a condition characterized by psychosis or false beleiefs that can't be changed by evidence. The discovery of the nefvous system (according to Wikipedia): "Nerves are large enough to have been recognized by the ancient Egyptians, Greeks, and Romans, but their internal structure was not understood until it became possible to examine them using a microscope."
Altogether the structure
The structure of the nervous system is all over your body, from the top of your head to the bottom of your toes. In the gross picture above, it shows the way your nervius system looks if it was taken out of you...they eyes and the brain and everything else making up the system.