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.
Gavin McGregor Rossdale (born 30 October 1965) is an English musician and actor, known as the lead singer and rhythm guitarist of the rock band Bush. Following Bush's separation in 2002, which lasted for eight years, he was the lead singer and guitarist for Institute, and later began a solo career. When performing solo, Rossdale plays songs from his musical libraries. He was ranked 75th in the Top 100 Heavy Metal Vocalists by Hit Parader.