Ch 5 . Fluids and Electrolytes preclass worksheet Refer to power point and electrolytes handout Total body water (TRW] of body weight in adults Fluid compartments in the body 1 Intracellular = Inside body cell: 2/3 rd of when you bake chicken water leaks out = muscle tissue) 2. - outside cell- 1/3" of total body water J. Intravascular = Fluid in the and fluid in between body cells and blood vessels (edema] Fluid Balance between a and b is regulated by: concentration ( pulls water into the blood vessel - by) and 2. pressure - volume inside by ( pushes water outside bv). Blood = cells + Plasma- e serum fluids: synovial fluid, CSF, GI fluids, pleural fluids, peritoneal fluids, and urine