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.
Stephen Ray Steve Perry (born January 22, 1949) is an American singer-songwriter, record producer, and musician, best known as the lead vocalist of the rock band Journey during their most commercially successful periods from 1977 to 1987 and 1995 to 1...