Nephrons would be the “useful models” of the kidney; they cleanse the blood and stability the constituents of the circulation. The afferent arterioles kind a tuft of superior-stress capillaries about two hundred µm in diameter, the glomerulus. The rest of the nephron is made up of a continual innovative tubule https://iwsite.blob.core.windows.net/mediacontainer/iwsite/media/THE-URINARY-SYSTEM.pdf