The impulse has to cross over a synapse to another neuron or an effector.
If a neuron is not sending out an impulse or signal, this means the neuron is at rest. Neurons send signals electrochemically.
An impulse begins when a neuron is stimulated by another neuron or by the environment.
An electrical impulse will travel through a neuron.
A nerve impulse
sensory neuron
A neuron is called a inter-neuron because that specific neuron takes impulse from one neuron to a next neuron. For example your sensory neuron sends a impulse that you had felt a hot object. It goes through the spine to a inter-neuron to a motor neuron (this processes is called a reflex). Then the motor neuron tells your muscles in your hand to move
An Impulse
The axon.
An Impulse
It sends an impulse back to the cell body of the neuron
What connects sensory and motor neuron is the impulse called interneuron or connector neuron are connected by means of electrical impulse called synape from sensory to motor neuron.