Question

What is the structural and functional unit of the nervous system? Name it any two components?

Answer 1

The structural and functional unit of the nervous system:

The structural and functional unit of the nervous system is known as neurons and the nervous system.

Components of the nervous system:

The two main components of the nervous system are:

Peripheral nervous system:

1. It is the system that is made up of nerves that begin from the spinal cord and are distributed in all the parts of the body.
2. It helps in controlling all the involuntary movements of the body.
3. It is classified into two divisions named sensory and motor divisions.
4. It works for transferring information between the body and the brain.

Central nervous system:

1. It is the system that is made up of the brain and the spinal cord only.
2. It helps in controlling all the voluntary movements of the body.
3. It is known as the core of thoughts and perceptions.
4. It takes sensory information, processes that information, and sends it out motor signals.