The movement of water across a selectively permeable membrane is known as  ____________ .
 Water moves across a selectively permeable membrane from an area of  ____________  solute concentration to an area of  ____________  solute concentration.
 If the intracellular concentration of electrolytes is lower than the extracellular concentration, water will move  ____________  the cell. 
If the intracellular concentration of electrolytes is higher than the extracellular concentration, water will move  ____________  the cell.
 Active transport of  ____________  into the cells that line the intestines creates a concentration gradient that results in efficient absorption of water.