Answer:
sorry I don't know understand
It will be 1 and 2.
This is not biology. This is Science.
Answer:
Axon
Explanation:
A neuron has three main parts. The cell body directs all activities of the neuron. Dendrites extend out from the cell body and receive messages from other nerve cells. An axon is a long single fiber that transmits messages from the cell body to the dendrites of other neurons or to other body tissues, such as muscles.
The correct answer to the question stated above is the first option: <span>an instinctive behavior was tied to a different stimulus.
</span>
Pavlov's experiment was a typical case of classical conditioning because an instinctive behavior was tied to a different stimulus.