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.
Steve Perry is an American singer-songwriter, record producer, and musician. He is known as the lead singer of the rock band Journey. He is the son of MarÃ­a âMaryâ (Cardoso Quaresma) and Raymond Francis Perry. His father was of Portuguese Azorean descent and his mother was a Portuguese immigrant from the Azores.