Extracellular fluid in adults differs from intracellular fluid in that its:

A. False    Cells contain half to two-thirds of the total body fluid.

B. False    It is the same; if it were lower, osmosis would draw water into the cells.

C. True    Mainly Cl- and HCO3+ ; inside, the main anions are protein and organic phosphates.

D. True    Around 30:1; the intracellular ratio is about 1:10.

E. False   Intracellular pH is lower due to cellular metabolism.