What starts an immune response?

Answer 1

when ever germs or viruses invade the body a white bloodcell eats it and travels to a lymph node wich house white blood cells. then all the white blood cells kill all the germs. in other words. the immunes system is triggered the second a white blood cell sees a germ or virus.

Answer 2

Any injury or illness e.g. burns, scratches, cuts, extreme cold, corrosive chemicals, or invading organism will trigger a non-specific response or inflammatory response of the immune system.

Answer 3

an invasion of a microorganism from the external environment

Answer 4

Innate and adaptive.

Answer 5

antigens

Answer 6

Antigen