Nervous System

Essay by hareemafridiCollege, UndergraduateA, December 2010

download word file, 2 pages 0.0


"The major functions of information gathering control and storage are perform by the "Nervous System" in a body" (Jakab, 2007, 18-22). In general Nervous system is gather information about the outside circumstances in relation to the body's inside condition, and then nervous system is examine this information, and to start suitable reply to persuade certain desires.


The main basic functions of Nervous system are following

  1. Neurons.

Neurons are the cells that construct the nervous system. The "language" of the nervous system is move through these long, tough neurons, they are ideal for moving the electrical messages. Neurons exist equally inside and outside the central nervous system. Neuron has 2 significant formation known as dendrite and axon, also recognized as nerve fibers. The dendrites are similar to tentacles that grow from the cell and the axon is one extended expansion of the cell. "The dendrites accept indicators from further neurons, while the axon throws desire to other neurons" (Jakab, 2007, 18-22). Axons can expand to further than a meter long. Average sized neurons have hundreds of dendrites; therefore it can accept thousands of signals concurrently from other neurons. The neuron transmits impulses by correlation the axon to the dendrites of an additional nerve cell.

  1. Brain.

The brain is the control center of human whole body. The brain is the main center system of human body system. It is a hub of several of neurons. The brain assists the body reaction to the information it accept from the senses. The thoughts as well operate through brain. The brain has 3 main divisions, cerebellum, cerebrum, and the medulla. As well comprise the hypothalamus, thalamus and pons. The thalamus is the transmit center of brain. The hypothalamus reins blood pressure, body temperature, emotions and sleep (as well is concerned and controls the...