The lymphatic system is a network of tissues and organs, including the spleen, lymph nodes and vessels. One of the functions of the lymphatic system is that it provides your body with immunity.

Lymph nodes are small organs that are distributed throughout the body and drain lymph fluid from the tissues. Immune cells reside in lymph nodes and survey the lymph for signs of infection. If a ...

A person may experience swollen feet for several reasons, from hot weather or pregnancy to serious health conditions such as heart disease or a blood clot. Treatment depends on the underlying cause.