Answer;
-They are glands.
-They hold and distribute lymphocytes.
-They filter the lymphatic system from harmful bacteria
Explanation;
-Lymph nodes are a part of the lymphatic system, a component of the body's immune system. Swollen lymph nodes may signal an infection. There are several groups of lymph nodes, which are small, bean-shaped, soft nodules of tissue.
-They are small glands that filter lymph, the clear fluid that circulates through the lymphatic system. They become swollen in response to infection and tumors. Lymphatic fluid circulates through the lymphatic system, which is made of channels throughout your body that are similar to blood vessels.
