Respuesta :
If ur on plato, this is the diagram you will see. The answer should be the 3rd one in.
![Ver imagen sydneyb0823](https://us-static.z-dn.net/files/dbc/e22bdcd789f55c4b5454270769a05491.png)
The structure of the neuron is responsible for the quick transmission of a
nerve impulse is called the Axon.
What is an Axon?
This is also referred to as nerve fiber and it is involved in the transmission
of impulses away from the cell body.
Structures known as the myelin sheath increase the impulse conductivity
to parts of the cells. It functions as communication channel in the nervous
system hence its importance.
Read more about Axons here https://brainly.com/question/950620