Roughly 60% of the patien’s body weight is water. Of the 60%, 66.6% is intracellular and 33.3% is extracellular.
The space within a cell membrane. Contains 66.6% of the patient’s water weight (~40% of the patient’s body weight).
Contains 33.3% of the patient’s water weight (~20% of the patient’s body weight. Composed of 25% intravascular water and 75% interstitial water.