Contested meanings of freedom at end of Civil War For southern blacks, an expansive quest Self-ownership. Autonomous institutions Family Reuniting families separated under slavery. Adopting separate gender roles. Church Worship. Social events.
The immune system protects the body against illness and infection caused by bacteria, viruses, fungi or parasites. It is really a collection of reactions and responses that the body makes to damaged cells or infection.he bone marrow makes blood cells that help to fight infection. Weakening of the immune system happens most often in leukaemia or lymphoma. But it can happen with other cancers too. The cancer in the bone marrow stops the bone marrow making so many blood cells.
One of the most important systems in your body, the nervous system is your body's control system. It sends, receives, and processes nerve impulses throughout the body. These nerve impulses tell your muscles and organs what to do and how to respond to the environment. Sometimes, even though you don't feel well while it's happening, your body is fighting illness. 2  When the inflammatory response fails, the immune response goes to work. 3  This is the central part of the immune system and is made up of white blood cells, which fight infection by gobbling up antigens.