(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.
This most interesting surname is of Old Scandinavian and Anglo-Saxon origin, and has two possible interpretations. Firstly, it may be of topographical origin for a dweller by the thorn-bush(es), from the Old Norse, Olde English thorn, a thorn-bush or hedge, with the suffix -s, of that place.he first recorded spelling of the family name is shown to be that of William Thorn, which was dated 1206, in the Curia Regis Rolls of Sussex, during the reign of King John, known as Lackland, 1199 - 1216. Surnames became necessary when governments introduced personal taxation. In England this was known as Poll Tax.