Chemical messengers, secreted by cells of the immune system, that direct immune cellular interactions are

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Chemical messengers that direct immune cellular interactions are cytokines, which are secreted by cells of the immune system. Antigens are molecules that trigger an immune response, antibodies are proteins produced by B cells in response to antigens, and macrophages are immune cells that engulf and digest foreign substances.

Chemical Messengers, Secreted by Cells of the Immune System, That