Question

what is nerve impulse

Answer 1

A nerve impulse is an electrical signal that travels along an axon. There is an electrical difference between the inside of the axon and its surroundings

Answer 2

The concept of nerve impulse  is as follows:

• In the way nerve cell communicate with each other.
• This is mainly electrical signals along with dendrites.
• Action potential is produced by this.
• The action potential is caused by moving of ions in and out of cell.
• Across the membrane ions moves, this results nerve impulse which begins with stimulation in a neuron by other one or environment.