The immune system provides specialized fighting forces that are tailor-made to combat internal invasions, whether they be microbes or toxic chemicals. Inside the body, a trillion highly specialized cells will launch a battle against alien organisms. Within minutes the immune system will sense an enemy's presence and send out scavenger cells to immediately attack the invaders.
Antibodies neutralize foreign invaders.
This fluid brings with it tissue toxins and microbes. In any given year, roughly 50 percent of Americans will catch a cold, and 40 percent will get the flu. 80 percent of all illness can be traced to stress. Your whole personal immune army weighs about two pounds and consists of about a trillion cells assisted by 100 quintillion antibody molecules.