A travel insurance plan can also include medical evacuation coverage (the price of which may cost upwards $100,000) 1 and medical expense coverage, plus reimbursement for lost, damaged or stolen luggage and personal effects.
Lymph nodes and what they do. Lymph vessels route lymph fluid through nodes throughout the body. Lymph nodes are small structures that work as filters for harmful substances. They contain immune cells that can help fight infection by attacking and destroying germs that are carried in through the lymph fluid.
The immune system is made up of a complex network of cells and organs that protect the body from infection. The Immune System-Click to Enlarge. Lymph nodes are part of the immune system. They release lymphocytes, a certain type of white blood cell that fights infection.The blood vessels and lymph vessels carry the lymphocytes to and from different areas in the body. Each lymphoid organ plays a role in the production and activation of lymphocytes.ymph nodes are part of the immune system. They release lymphocytes, a certain type of white blood cell that fights infection. The blood vessels and lymph vessels carry the lymphocytes to and from different areas in the body.