The cells that are actively involved in immunological surveillance are the

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NK (natural killer) cells are specialized immune cells that are involved in immunological surveillance. They can detect and destroy abnormal cells, including infected and cancerous cells, without prior exposure, and thus play an important role in the body's defense against pathogens and tumors. Plasma cells produce antibodies, B cells are involved in antibody production and development of immunological memory, helper T cells help activate other immune cells, and suppressor T cells help regulate the immune response to prevent damage to healthy tissues. However, none of these cell types are primarily responsible for immunological surveillance.

The Cells That Are Actively Involved in Immunological Surveillance Are