The kidneys collect and get rid of waste from the body in 3 steps, Glomerular filtration: Filtrate is made as the blood is filtered through a collection of capillaries in the nephron called glomeruli, Tubular reabsorption: The tubules in the nephrons reabsorb the filtered blood in nearby blood vessels and Tubular secretion: The filtrate passes through the tubules to the collecting ducts and then taken to the bladder