Filtration. The process whereby some substances, but not all, pass through a filter. In a kidney, blood pressure forces materials through the filter(glomerulus) Blood passes thru the many glomeruli and the thin walls of the glomerulus (the filter) permits water, salts, sugar and urea to leave the blood stream.
Confidence votes 319K. The lead singer of the ban Evanescence is Amy Lee. Amy Lee has been the front woman of the band since the beginning and has helped lead the band to great success.
Brett Scallions is the lead vocalist and rhythm guitarist for post-grunge rock band Fuel. He has been a responsible for unforgettable hit songs such as 'Hemorrhage', 'Bad Day' and 'Shimmer'. Brett Allen Scallions is an American musician from Brownsville, Tennessee. He is currently the lead singer and rhythm guitar player for the current lineup of multi platinum rock band Fuel, after being the vocalist for the original incarnation of the band from 1993 to 2005.