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.
Adam Gontier. For many years, Adam Gontier was the lead singer, rhythm guitarist, and primary songwriter for the Canadian band Three Days Grace. On January 9, 2013, however, Gontier left Three Days Grace and branched out on his own.