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.
James Hetfield, a guitar player who would become the lead singer of Metallica, answered the advertisement. Later, Lars and James would have contact from another young aspiring guitar player seeking a band, Dave Mustaine. Ulrich, Hetfield, Mustaine, and bass player Ron McGovney began playing in the band.