The lymphatic system regroups lymph nodes, thoses glands who make white blood cells all over our body. The lymph is a liquid that contains white blood cells and it runs through our body in the lymphatic system. Lymph can travel only if we are active, cause the muscles make the lymphatic system move. The lymph nodes hold the bacterias that are in the lymphatic system. White blood cells can '' eat '' all the bacterias and trash that are in our blood, they are cleaners. They make some antibodies to destroy antigens