1. Lymphatic and Immune Systems

2. Lymph Nodes Lymph nodes are found throughout your body. They are an important part of your immune system. Lymph nodes help your body recognize and fight germs, infections, and other foreign substances The lymph node is a tiny bean-shaped gland, located in many different areas of the body. The lymphatic system moves lymph node fluid, waste substance, and nutrients through out your body bloodstreamand tissues

3. The main locations of lymph nodes are the neck, under the arms, and in the groin

4. Swollen Lymph Nodes The term "swollen glands" refers to enlargement of one or more lymph nodes Lymph nodes can become swollen from infection, inflammatory conditions, an abscess, or cancer. Other causes of enlarged lymph nodes are rare. By far, the most common cause of swollen lymph nodes is infection

5. Spleen The human spleen is an organ that creates lymphocytes for the destruction and recycling of old red-blood cells Located in the upper left part of the abdomen near the stomach. The spleen produces lymphocytes; it is the largest lymphatic organ in the body

6. Normally, your spleen is about the size of a fist, but a number of conditions — from infections to liver disease and some cancers — can cause an enlarged spleen (splenomegaly).

7. Tonsils The tonsils are areas of lymphoid tissue on either side of the throat. Tonsils are clumps of tissue on both sides of the throat that trap bacteria and viruses entering through the throat and produce antibodies to help fight infections

8. Tonsillitis Tonsillitis occurs when tonsils become infected and swell A common childhood ailment, tonsillitis causes the tonsils to become painful. Whether viral or bacterial, tonsillitis is transmitted most commonly from one person to another by social contact such as droplets in the air from sneezing. Most of the time, tonsillitis is caused by a viral infection

9. Normal Tonsil vs Tonsillitis