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.
Lisa Gerrard. Lisa Gerrard (born 12 April 1961) is an Australian musician, singer and composer who rose to prominence as part of the music group Dead Can Dance with music partner Brendan Perry. In addition to singing, she is an instrumentalist for much of her work, most prolifically using the yangqin (a Chinese hammered dulcimer).