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.
Jonathan Davis. Jonathan Davis, lead singer of Korn. Jonathan Howsmon Davis (born January 18, 1971) is the lead vocalist and frontman for the nu metal band Korn. As well as being Korn's lead singer, he has also recorded and played drums, guitar, and bagpipes in many of Korn's albums.