From 1970 through 1977, the NFL season consisted of 14 regular season games and six exhibition games, sometimes but not always three at home and three away (the 1973 Washington Redskins, for instance, played five out of six preseason games at home), with some played at neutral sites.
Lymphocytes, the primary cells of the lymphatic system, make up roughly one-fourth of all white blood cells in the body. Like other white blood cells, they are produced in the red bone marrow. Lymphocytes constantly travel throughout the body, moving through tissues or through the blood or lymph vessels.
A system comprised of lymphatic vessels, lymph nodes, associated organs made up of lymphoid tissues (e.g. spleen, thymus, etc .), and lymph. Supplement. The lymphatic system is a system that is comprised of lymph nodes, lymph vessels, lymphoid tissues, and lymph.The system primarily functions in the collection and returning of the fluid and proteins into the blood.he lymph nodes and associated organs of lymphoid tissues (e.g. spleen, thymus, bone marrow, etc.) are sites where lymphocytes are produced. For instance, T cells involved in cell-mediated immunity are produced in the bone marrow and mature mainly in the thymus. Synonym(s): 1  lymph system. 2  lymphoid system.