Answer:
They are glands.
They hold and distribute lymphocytes.
They filter the lymphatic system from harmful bacteria
Step-by-step explanation:
Lymph nodes are glands that clear the fluid in the lymphatic system and store white blood cells (e.g., monocytes, lymphocytes, basophils, eosinophils, and neutrophils). Blood white cells are those cells that have phagocytic activity and they represent the first line of defense in an organism