Innate immunity: Immunity that is naturally present and is not due to prior sensitization to an antigen from, for example, an infection or vaccination. Since it is not stimulated by specific antigens, innate immunity is generally nonspecific. It is in contrast to acquired immunity. Also called natural immunity.
Hope this helps
Its called fight or flight , adrenaline
Well I would just take the food away right
The best thing to do with the increasing pollution in your area is to do steps stated in letter A. It is essential that the council be informed of the problem and there is a need to follow up on the progress as well. The cooperation of everyone involved in this problem is deemed very necessary.