What function do helper T-cells serve in the immune system?

Helper T-cells play a crucial role in the immune system primarily by stimulating other cells involved in the immune response. They achieve this by releasing signaling molecules known as cytokines. These cytokines help activate B-cells, which are responsible for antibody production, and cytotoxic T-cells, which target and kill infected or cancerous cells. Additionally, helper T-cells can enhance the ability of phagocytes to engulf and destroy pathogens.

Through this central function, helper T-cells coordinate the immune response against pathogens, ensuring that the various components of the immune system work together effectively to eliminate infections. Their role is vital for the adaptive immune response, as they help to establish a robust and specific defense against a wide range of pathogens.