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.
There were several people credited for singing with Bonnie Tyler on  her song Total Eclipse of the Heart.. They are Holly Sherwood who  did lead backing vocals, Eric Troyer â¦ who did backing vocals and  Rory Dodd who did backing vocals and sang the turn around lyrics. 1 person found this useful.