(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 interesting surname of English origin is either a locational name from places so called in many parts of England, or, a topographical name for someone dwelling in a valley, both deriving from the Middle English dene (Old English pre 7th Century denu) meaning valley.his interesting surname of English origin is either a locational name from places so called in many parts of England, or, a topographical name for someone dwelling in a valley, both deriving from the Middle English dene (Old English pre 7th Century denu) meaning valley.