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.
In 2004, Evanescence released a live album, Anywhere but Home, which reached Number 39 on the Billboard 200. If it wasn't already clear that Lee was the focal point of the band, the October 2006 release of The Open Door established her dominance once and for all.