(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.
Buy JPG Image Â». The name Shelley came to England with the ancestors of the Shelley family in the Norman Conquest of 1066. The Shelley family lived in Sussex having derived from the Old English word shelf, meaning a wooded clearing on a ledge or plateau, and indicates that the original bearer lived near such a landmark. Lowe, Mark Anthony, Patronymica Britannica, A Dictionary of Family Names of the United Kingdom.