Which Statement About Osmosis and Ionic Concentrations Is False

Which statement about osmosis and ionic concentrations is false?

A) Osmosis involves the movement of water across cell membranes.
B) When the solute concentration of extracellular fluid is less than that of the cytoplasm, then water moves into cells.
C) When the solute concentration of extracellular fluid is greater than that of the cytoplasm, then water moves out of cells.
D) The solute concentration of extracellular fluid influences cell volume and solute concentration.
E) Excretory systems actively transport water back into the extracellular fluid.