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.
I'm 13 years old, and a HUMONGOUS Steve Perry/Journey fan. I'm a little disappointed in Journey's newest lead singer, Arnel Pineda. He just doesn't add up to Steve Perry in my opinion. But then again, I'm all for Steve Perry. I was wondering what he thinks of Arnel.