Q:

What are the two main parts of the nervous system?

A:

Quick Answer

The two main parts of the nervous system are the central nervous system and the peripheral nervous system. The central nervous system consists of the spinal cord and the brain, which contains 100 billion nerve cells. The peripheral nervous system is broken down into the somatic and autonomic nervous systems.

Know More
What are the two main parts of the nervous system?
Credit: Frans Lanting Mint Images RF Getty Images

Full Answer

In the somatic nervous system, sensory information is sent to the central nervous system by the peripheral nerve fibers. The autonomic nervous system controls muscles in the vital organs and glands. The sympathetic nervous system, parasympathetic nervous system and enteric nervous system are the three main parts of the autonomic nervous system.

Learn more about Biology

Related Questions

  • Q:

    What is the function of the central nervous system?

    A:

    The central nervous system, composed of the brain, spinal cord and an extensive neuron network, serves as the control center for all bodily functions. It functions as the transmitter and receiver as well as the pathway for information flow and determines how the body responds to changes in its internal and external environment.

    Full Answer >
    Filed Under:
  • Q:

    What is the functional unit of the nervous system?

    A:

    The basic functional unit of the nervous system is the nerve cell, also called a neuron. These cells are specialized to send information through the body in the form of electrical action potentials. These travel from one neuron to the next through special connections called synapses.

    Full Answer >
    Filed Under:
  • Q:

    What are the four functions of the nervous system?

    A:

    The four primary functions of the nervous system are the sensory, communicative, integrative and motor functions. The nervous system allows the body to respond quickly to various stimuli.

    Full Answer >
    Filed Under:
  • Q:

    What is the basic unit of the nervous system?

    A:

    The basic unit of the nervous system is the neuron, or nerve cell. Neurons are distinguished from other cells by their ability to communicate with other neurons through synaptic transmission and form highly structured communication networks. Neurons are electrically excitable cells that receive, process and transmit information using electrical and chemical signals.

    Full Answer >
    Filed Under:

Explore