(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.
John Foster, who was recorded in the 1373 Court Roll of the borough of Colchester, Essex, was of this source. The surname was one of the very first into the New England colonies of America.he first is an occupational name for a saddle tree maker, a very important occupation seven hundred or more years ago. Here the derivation is from the Old French fustier, itself originating from the word fustre, meaning a block of wood. This term was introduced into Britain after the 1066 Norman French invasion.