Which of the following statements is INCORRECT in regard to understanding fluid balance and electrolyte balance?
-The movement of water across plasma membranes and epithelia takes place by osmosis.
-Receptors monitor plasma volume and osmotic concentration.
-The body's content of water or electrolytes will decrease if dietary gains exceed losses to the environment.
-All homeostatic mechanisms that monitor and adjust the composition of body fluids respond to changes in the ECF.