Quick Answer: What Is The Basic Structure Of The Nervous System?

What is the purpose structure and function of the central nervous system?

The central nervous system (CNS) controls most functions of the body and mind.

It consists of two parts: the brain and the spinal cord.

The brain is the center of our thoughts, the interpreter of our external environment, and the origin of control over body movement..

How many types of nervous system are there?

Your nervous system is involved in everything your body does, from regulating your breathing to controlling your muscles to sensing heat and cold. There are three types of nerves in your body: autonomic nerves, motor nerves, and sensory nerves.

What are the 4 types of nerves?

What are the types of nerves in the body?Autonomic nerves. These nerves control the involuntary or partially voluntary activities of your body, including heart rate, blood pressure, digestion, and temperature regulation.Motor nerves. … Sensory nerves.

What are the 3 nervous systems?

The nervous system comprises the central nervous system, consisting of the brain and spinal cord, and the peripheral nervous system, consisting of the cranial, spinal, and peripheral nerves, together with their motor and sensory endings.

What are the two main components of the nervous system?

The nervous system has two main parts:The central nervous system is made up of the brain and spinal cord.The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.

What are the four functions of the nervous system?

The four main functions of the nervous system are:Control of body’s internal environment to maintain ‘homeostasis’ An example of this is the regulation of body temperature. … Programming of spinal cord reflexes. An example of this is the stretch reflex. … Memory and learning. … Voluntary control of movement.

What is nervous system short answer?

The nervous system is a system in the body which sends signals around the body. It lets people and animals respond to what is around them. The central nervous system is the brain, the spinal cord, and nerves. It is present in most animals. … The brain has billions of nerve cells to help think, walk, and breathe.

What organs are in the nervous system?

The nervous system in a human is made of the brain, spinal cord, sensory organs and all the neurons that serve as communication channels between the various organs of the body.

What is the basic function of the nervous system?

At a more integrative level, the primary function of the nervous system is to control and communicate information throughout the body. It does this by extracting information from the environment using sensory receptors. This sensory input is sent to the central nervous system, which determines an appropriate response.

What is the structure and function of nervous system?

The nervous system is a complex collection of nerves and specialized cells known as neurons that transmit signals between different parts of the body. It is essentially the body’s electrical wiring. Structurally, the nervous system has two components: the central nervous system and the peripheral nervous system.

What are the three main structures of the nervous system?

The nervous system consists of the brain, spinal cord, sensory organs, and all of the nerves that connect these organs with the rest of the body.

What are the main structures of the CNS?

The CNS consists of the two major structures: the brain and spinal cord. The brain is encased in the skull, and protected by the cranium.

What are the three main parts of the nervous system and what is their function?

The Central and Peripheral Nervous Systems The nervous system has three main functions: sensory input, integration of data and motor output.