(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.
From an English place name. A last name may have pointed to where a person was born, lived, worked, or owned land. It might be from the name of a house, farm, hamlet, town, or county. Some examples: Bedford, Burton, Hamilton, Hampshire, Sutton.any of us have surnames passed down to us from ancestors in England. Last names werenât widely used until after the Norman conquest in 1066, but as the countryâs population grew, people found it necessary to be more specific when they were talking about somebody else.