Final answer:
The machine used for artificial kidney is called hemodialysis. Hemodialysis is a medical procedure in which blood is filtered externally through a machine.
Step-by-step explanation:
The machine used for artificial kidney is called hemodialysis. Hemodialysis is a medical procedure in which blood is filtered externally through a machine. During dialysis, waste products such as urea as well as excess water are removed from the patient's blood before the blood is returned to the patient.