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.
Ryan Tedder Reveals the Stories Behind His Songs for BeyoncÃ©, Adele, Ellie Goulding & More. Ryan Tedder is not only the frontman for OneRepublic -- he's a prolific songwriter and producer who has made more than $2.5 million penning hits for and with the likes of Beyonce and Adele as well as for his own band.