Which is the correct sequence of the compounds of a reflex arc

One of the following gives the correct sequence of the components in a reflex arc. This is:

Route of reflex arc is

Reflex actions are given by neuronal pathways called reflex arcs , which comprise different components. What should be the correct sequence of its components in withdrawal reflex after touching the hot things suddenly to withdraw the finger ?

State the correct sequence of impulse for spinal reflex.

Find out the correct sequence of a simple reflex are:

Define reflex arc.