The metabolism begins with receipt of nutrients in a gastroenteric path and air in lungs. clonidine 0.5 mg As a result дезаминирования amino acids in kidneys there is a formation of ammonia and its exit in a gleam канальца. Hydrogen ions communicate in a gleam канальца with ammonia and form an ion of ammonium NH4 +. Thus occurs детоксикация ammonia. At receipt of considerable quantities of water in a kidney organism, on the contrary, allocate great volumes of hypotonic urine.