Help!! science ppl i need u!?

ok so here's the deal i have this biology project that's due tomorrow and i'm stuck on it.....i'm working with a partner and she has done her part but i have to do mine; i'm sick but i still have to finish it since i really want to go to this concert that's gonna b 2nite and i have LOTS of questions and it's all about the immune system...so......do u guys know the origin of bacteria and where bacteria loves to be in? what anaphilatic shock, antigens, & immunodefiency diseases does to ppl, its' origin, how ppl might look if they have it, and where it likes to be in the human body? physical appearances of the natural killer cell,white blood cells,B cells, T cells, cytotoxic T cell, & helper T cell? oh! and the origin of the cytotoxic T cell, helper T cell and white blood cells? the functions of inflammatory response, histamine, humoral immunity? and also the location of use for everything in the questions i just asked & cell mediated immunity. Good luck & thanks =]