A stimulus that catches an individuals attention is termed as "Neutral Stimulus".This type of stimulus does not invoke any type of response
Explanation:
There are three types of Stimulus:-
Conditioned stimulus
Unconditioned stimulus
Neutral stimulus
For example, let's say you take you child to the hospital for immunization . Prior to the immunization, the doctor presses a buzzer to call his nursing staff for assistant required for giving the vaccine. In this case, the sound of the buzzer is the neutral stimulus because it doesn't produce any response from the child.
The answer to the above question is (a) unconditioned stimulus
The lymphatic system works with the cardiovascular system to return body fluids to the blood. The lymph, the clear liquid found in the lymphatic system, is moved along in the lymph vessels by the squeezing action of smooth muscles and skeletal muscles.
