Answer the following question given this paragraph: 

Untreated diabetes may damage capillaries in the kidneys so the nephrons can no longer filter blood. This is called kidney failure. The only cure for kidney failure is to receive a healthy transplanted kidney from a donor. Until that happens, a patient with kidney failure can be kept alive by artificially filtering the blood through a machine. This is called hemodialysis. You can see how it works in Figure below .


Q: What's caused by damaged capillaries in the kidneys so the nephrons can no longer filter blood?


A:
kidney failure