And finally, we also have the process of inflammation and fever. So different types of chemicals inside our body can initiate the process of inflammation. And as we'll see in the next several lectures what inflammation actually does, it localizes our infection and it helps bring different types of immune agents, for example, phagocytes and neutrophils to that infected area. Now, fever is another type of innate Immunity response because what fever basically does is it increases the temperature of our body and that can destroy the bacterial cells because cells cannot actually survive in that particular temperature environment. Now, let's move on to acquired immunity. So we have two divisions of acquired immunity, which takes usually several days to actually kick in.