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.
Current Members are: Mike Shinoda - vocals, keyboard, piano, guitar. Brad Delson - lead guitar. Dave Phoenix Farrell - bassist. Joe Hahn (aka Mr. Hahn) - turntables. Rob Bourdon - drums. Chester Bennington - lead vocals. They have had a few former members like Mark Wakefield who was in at the start but then later quit.