About of all body fluid is within cells and intracellular compartments. a. 1/3 b. 2/3 c. 1/2 d. 1/4

About 2/3 of all body fluid is within cells and intracellular compartments.   Body fluids (or biofluids) are This is divided between intracellular fluid (ICF) and extracellular fluid (ECF) in a 2 : 1 ratio. Intracellular fluid is within cells and intracellular compartments, while extracellular includes the interstitial fluid (between cells) and the vascular fluid (blood).