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.
Omari Ishmael Grandberry (born November 12, 1984), better known as Omarion, is an American R&B singer, songwriter, dancer and actor. He is best known as being the lead singer of R&B boy band B2K. Managed by Christopher B. Stokes, the group achieved success with hits like  Bump, Bump, Bump  which reached #1 on the Billboard Hot 100. After the group's disbandment, Omarion released his debut solo album O (2005). The album debuted at #1 on the Billboard 200 spawning two hits,  O  and  Touch . Omarion received a Grammy Award nomination for the album at the 48th Grammy Awards for Best Contemporary R&B Album. His second solo album, 21 (2006), contained the hits  Entourage  and his highest charting single to date  Ice Box , which reached the Top 20 on Billboard Hot 100.