The process by which an artificial kidney works is known as
Hemodialysis is a process by which wastes from the body is removed by using an artificial kidney. A series of tubes, made up of semi permeable membrane, is placed in a dialysis solution to remove the wastes and purified blood is pumped back into the body. The Dialysis fluid contains all the constituents of plasma except urea. Hence urea gets removed from the blood by diffusion.