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.
Carly Smithson goes from 'Idol' to new band. (CNN) -- Carly Smithson wants to make one thing clear: She is not the new lead singer of Evanescence. Former American Idol contestant Carly Smithson is the lead singer of the new band We Are The Fallen. There may be some confusion because the former American Idol contestant has joined forces with original Evanescence members Ben Moody, Rocky Gray and John LeCompt for the new band We Are The Fallen.