(June 2011). The nephron (from Greek Î½ÎµÏÏÏÏ - nephros, meaning kidney) is the basic structural and functional unit of the kidney. Its chief function is to regulate the concentration of water and soluble substances like sodium salts by filtering the blood, reabsorbing what is needed and excreting the rest as urine. nephron eliminates wastes from the body, regulates blood volume and blood pressure, controls levels of electrolytes and metabolites, and regulates blood pH.
Making the world better, one answer at a time. The country where the last name Burton originated is England. This name is used as a last name as well as a first name and means from the fortified town.
There have been a number of explanations as to how the name Foster originated in England. The main line is that Foster is a contracted spelling of Forester, a term which described an official in charge of a forest.In the Middle Ages, the forests and woods were almost always owned or controlled by the lord of the manor.s in England, the name means forester or forest ranger. Forster may also have been an inhabitant of Forst, a town in the Rheinpfalz. For immigrants into America, the name has often been anglicized to Foster.