The immune system is a collection of billions of cells that travel through the bloodstream. They move in and out of tissues and organs, defending the body against foreign bodies (antigens), such as bacteria, viruses and cancerous cells.There are two types of lymphocytes :B cells-produce antibodies which are released into the fluid surrounding the bodyâs cells to destroy the invading viruses and bacteria. T cells (see picture opposite) - if the invader gets inside a cell, these (T cells) lock on to the infected cell, multiply and destroy it.here are two types of lymphocytes : B cells-produce antibodies which are released into the fluid surrounding the bodyâs cells to destroy the invading viruses and bacteria. T cells (see picture opposite) - if the invader gets inside a cell, these (T cells) lock on to the infected cell, multiply and destroy it.
Gillespieâs algorithm (Gillespie, 1977) is a way of im-. plementing consistently this probabilistic description of a biological system. The probabilistic. description by its very nature applies to single cells. The connection with molecular concentra-.
Gillespie is an unusual first name for men but a very prominent last name for all people (#758 out of 150436, Top 1%).(2000 U.S. Census). Displayed below is the baby name popularity of Gillespie for boys. Gillespie has not been ranked in the Top 1000 thus far.(2014 Birth Statistics).illespie is an unusual first name for men but a very prominent last name for all people (#758 out of 150436, Top 1%). (2000 U.S. Census). Displayed below is the baby name popularity of Gillespie for boys. Gillespie has not been ranked in the Top 1000 thus far. (2014 Birth Statistics).