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.
From Wikipedia, the free encyclopedia. Neil Patrick Fallon (October 25, 1971 in Portsmouth, Virginia) is the lead singer and occasional rhythm guitarist, keyboardist and percussionist for the rock band Clutch, and lead singer for The Company Band. He also joined The Bakerton Group on guitar starting with their El Rojo album.