Quick Answer: What Is The Function Of The Nervous System Short Answer?

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..

Why is the nervous system most important?

The nervous system helps all the parts of the body to communicate with each other. It also reacts to changes both outside and inside the body. The nervous system uses both electrical and chemical means to send and receive messages.

Nervous system diseasesAlzheimer’s disease. Alzheimer’s disease affects brain function, memory and behaviour. … Bell’s palsy. Bell’s palsy is a sudden weakness or paralysis of facial muscles on one side of the face. … Cerebral palsy. … Epilepsy. … Motor neurone disease (MND) … Multiple sclerosis (MS) … Neurofibromatosis. … Parkinson’s disease.More items…

What are the two major divisions of the nervous system?

Let’s start with a simple division: The nervous system is divided into the central nervous system and peripheral nervous system. Let’s break the central nervous system and the peripheral nervous system into more parts.

What are the 3 types of nervous system?

There are three types of nerves in your body: autonomic nerves, motor nerves, and sensory nerves.

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 is nervous system and its types?

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 is the basic structure and function of the 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.

What are the 4 main 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.

Who discovered the nervous system?

HerophilusHerophilus was the first to examine and report on the structure of the nervous system. He was able to do this by dissecting human cadavers [15], a practice that was in many places abandoned until the 16th Century [16]. This method allowed him to make many discoveries.

What are the three main functions of a nervous system quizlet?

Terms in this set (3)sensory input. when sensory receptors monitor changes that occur both inside and outside of the body.integration. when sensory information is interpreted and the appropriate response is taken.motor output. response that is performed by effectors- muscles or glands.

What is the function of the nervous system?

The nervous system is the major controlling, regulatory, and communicating system in the body. It is the center of all mental activity including thought, learning, and memory. Together with the endocrine system, the nervous system is responsible for regulating and maintaining homeostasis.

What are the 3 functions of nervous system?

The nervous system has three broad functions: sensory input, information processing, and motor output. In the PNS, sensory receptor neurons respond to physical stimuli in our environment, like touch or temperature, and send signals that inform the CNS of the state of the body and the external environment.

What is the main function of the brain?

The brain controls our thoughts, memory and speech, movement of the arms and legs, and the function of many organs within our body. The central nervous system (CNS) is composed of the brain and spinal cord.

What are two functions of the nervous system?

Functions of the Nervous System The nervous system has 3 main functions: sensory, integration, and motor.

What is the main function of the nervous system quizlet?

The primary function of the nervous system is to collect a multitude of sensory information; process, interpret, and integrate that information; and initiate appropriate responses throughout the body.

What is nervous system in human body?

The nervous system is the most complex and highly organized body system. It receives information from the sensory organs via nerves, transmits the information through the spinal cord, and processes it in the brain.

How is nervous system damaged?

Injuries (trauma), especially injuries to the head and spinal cord. Problems that are present at birth (congenital). Mental health problems, such as anxiety disorders, depression, or psychosis. Exposure to toxins, such as carbon monoxide, arsenic, or lead.