<p>This is a broad topic area.</p><p>Immune functions are covered broadly under the [[Primary Lymphoid Tissue - Anatomy & Physiology|primary]] and [[Secondary Lymphoid Tissue - Anatomy & Physiology|secondary]] lymphoid tissues of the [[Lymphoreticular System - Anatomy & Physiology|lymphoreticular system]] with further information under the [[Immunology - Anatomy & Physiology|immunology]] section.</p>