How does nerve impulse travel in axon ?

How does nerve impulse travel across axon ?

How does nerve impules travel from one neuron to another ?

Given below is a graph showing change of potential difference occuring during conduction of nerve impulse through an axon, which one is correct about the shadded area-A in this graph :

How do nerve impulses on a neuron travel only in one direction?

What is action potential? Describe how the nerve impulse is propagated in a non-myelinated and myelinated nerve fibre.

Which one is required for muscle contraction and nerve impulse transmission ?

Suppose the terminal ends of axon are in contact with dendrites of four adjacent neurons , the nerve impulse of the axon will

What is a synapse ? How does the nerve impulse cross the synapse ?

Direction of nerve impulse is reversed in nerve with

At the time of conduction of nerve impulse, the repolarization occurs with me