What type of cells go through the cell cycle

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food