All lymph nodes create lymphocytes (fighter cells), the cervical ones are the easiest for the doctor to use to check for swelling and what not.
In the neck.
Lymph protect your body
A lymph node (pronounced /ˈlɪmf noʊd/) is a small circular ball shape organ of the immune system, distributed widely throughout the body and linked by lymphatic vessels. Lymph nodes are garrisons...