regulation of mineral and ion absorption na , k , cl , ca , mg and iron fe , fe in the gastrointestinal tract git and kidneys,

absorption regulation git kidneys ions minerals inhibitory mechanism uptake gastrointestinal tract electrolytes transport iron metabolism renal function nutrient ion balance digestion reabsorption gut blood circulation excretion homeostasis trace elements cations anions metabolic cell micronutrients filtration kidney mineral electrolyte intestinal factors highlighting mechanisms control graphic