In the pavlov study, the salivation to the tone represents the "conditioned response (cr)" after conditioning.
In classical conditioning, the conditioned response is the scholarly reaction to the already impartial stimulus. For instance, how about we assume that the possess an aroma similar to nourishment is an unconditioned stimulus, a sentiment hunger in light of the scent is an unconditioned reaction, and the sound of a whistle when you notice the sustenance is the conditioned stimulus.