What is the main function of antibodies in the immune system?

The primary role of antibodies in the immune system is to destroy pathogens. Antibodies are specialized proteins produced by B cells in response to specific antigens found on pathogens, such as bacteria and viruses. When antibodies bind to these antigens, they can neutralize the pathogen directly or mark it for destruction by other immune cells. This binding can enhance phagocytosis, where immune cells engulf and eliminate the tagged pathogens.

While antibodies do play a role in neutralizing toxins and can contribute to the prevention of infection by providing long-term immunity after exposure to pathogens, their main function in the immune response centers on their ability to directly target and eliminate pathogens. This destructive capability is crucial in controlling infections and maintaining the body's health. Additionally, the facilitation of inflammation is more of a secondary function, as inflammation is primarily driven by other components of the immune response such as cytokines. Thus, the primary focus of antibodies is indeed on the destruction of pathogens, making the understanding of their role essential in comprehending how the immune system functions.