homeostatic process
   |__chemical homeostasis
       |__inorganic ion homeostasis  138 rec.
           |__ammonium homeostasis 2 rec.
           |   |__intracellular ammonium homeostasis
           |__calcium ion homeostasis 67 rec.
           |   |__intracellular calcium ion homeostasis(+) 62 rec.
           |__chloride ion homeostasis 5 rec.
           |   |__intracellular chloride ion homeostasis
           |__copper ion homeostasis 17 rec.
           |   |__intracellular copper ion homeostasis 6 rec.
           |__intracellular borate homeostasis
           |__intracellular cobalt ion homeostasis
           |__intracellular iron ion homeostasis 22 rec.
           |   |__cellular response to iron ion starvation(+)
           |   |__iron import into cell(+) 6 rec.
           |__intracellular nickel ion homeostasis
           |__intracellular zinc ion homeostasis 12 rec.
           |__magnesium ion homeostasis 3 rec.
           |   |__intracellular magnesium ion homeostasis 1 rec.
           |__manganese ion homeostasis 1 rec.
           |   |__intracellular manganese ion homeostasis 1 rec.
           |__multicellular organismal-level iron ion homeostasis 2 rec.
           |__phosphate ion homeostasis 1 rec.
           |   |__intracellular phosphate ion homeostasis 1 rec.
           |__potassium ion homeostasis 13 rec.
           |   |__intracellular potassium ion homeostasis 8 rec.
           |__sodium ion homeostasis 10 rec.
           |   |__intracellular sodium ion homeostasis(+) 8 rec.
           |   |__renal sodium excretion(+)
           |__sulfate ion homeostasis 1 rec.
               |__intracellular sulfate ion homeostasis 1 rec.