Which of these is an example of an adaptive (or specific) immune response?
a. a person's immune system recognizes that a bacterial infection is present and signals the hypothalamus to increase body
temperature.
b. a person's immune system responds to dirt entering the eye by increasing tear flow and flushing the dirt out of the eye.
c. a person's immune system responds to an insect bite by increasing blood flow to the area and causing it to become inflamed.
d. a person's immune system recognizes viral particles due to a previous vaccine and creates antibodies to fight off the resulting
infection.