By: Rinith, Vishaal, and Andrew
3 lines of defense
This is the first line of defense. The mucous membranes line all of the bodies openings, keeping harmful pathogens from getting into the body. If this layer is too weak, the pathogens will easily slip by and the second layer will have to kick in.
Search and destroy
The immune system is made up white blood cells and they search for the virus and destroy it. 8/10 times, they do not destroy the virus due to over powered. Some times, the virus is so powerful, it infects the white blood cells, for example AIDS. These viruses are made to shut down a human'
s immune system. Also there are proteins that stop inflammation.