Data from 2006 show that space heating accounts for the greatest energy usage in the residential sector, with the rest devoted, in decreasing proportions, to appliances, water heating, and air-conditioning. At 7%, electronics usage surpasses washers/dryers and dishwashers, cooking, and computers in energy use.
1 The white blood cells produce an antibody specific to that antigen. 2  This is called sensitization.. 3  The job of the antibodies is to help white blood cells detect and destroy substances that cause disease and sickness.llergic Reaction Causes. Almost anything can trigger an allergic reaction. 1  The body's immune system involves the white blood cells, which produce antibodies. 2  When the body is exposed to an antigen (a foreign body such as pollen that can trigger an immune response), a complex set of reactions begins.
URL of this page: //medlineplus.gov/ency/article/002223.htm. An antibody is a protein produced by the body's immune system when it detects harmful substances, called antigens. Examples of antigens include microorganisms (bacteria, fungi, parasites, and viruses) and chemicals. Antibodies may be produced when the immune system mistakenly considers healthy tissue a harmful substance. This is called an autoimmune disorder. Each type of antibody is unique and defends the body against one specific type of antigen.