Extracellular fluids luid 2. Plasma 1. Interstitial fluid 3. Fluid of special compartments: pericardial luid, pleural nuid, cerebrospinal fluid10 Extracellular fluids Intracellular fluid 2. Plasma 1. Interstitial fluid 3. Fluid of special compartments: pericardial fluid, pleural fluid, cerebrospinal fluid