Nutrient Absortion http://www.siumed.edu/mrc/research/nutrient/gi42sg.html http://www.siumed.edu/mrc/research/nutrient/gi42sg.html http://www.siumed.edu/mrc/research/nutrient/gi42sg.html http://www.siumed.edu/mrc/research/nutrient/gi42sg.html Water and nutrient absorption http://www.siumed.edu/mrc/research/nutrient/gi42sg.html Water http://www.siumed.edu/mrc/research/nutrient/gi42sg.html