Biology

The human body is prone to attack by harmful chemicals called toxins and microorganisms such as bacteria, fungi, parasites and viruses. In the process of defending itself, the body produces specialized immune proteins called antibodies which detect the harmful substances called antigens. The body can also be triggered by certain factors to produce antibodies against its own cells. An antibody also known as an immunoglobulin possesses a remarkable ability to combine with every antigen that...