<prompt> The function of glucose in ORS-Increase Na absorption by Co-transpoGives sweat taste to ORSIncrease osmolality of ORSIncrease Na - K pump activity  <response>: Oral fluid therapy is based on the observation that glucose given orally enhances the intestinal absorption of salt and water, and is capable of correcting the electrolyte and water balance. Ref: PARK;S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 23rd edition , Page :224 