Some people have kidney failure. Doctors may treat patients with kidney failure by either: • dialysis • a kidney transplant.  Explain two biological reasons why most doctors think that a kidney transplant is a better method of treatment than dialysis. Do not refer to cost or convenience. – 7048

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1. A kidney transplant keeps the levels of substances like urea steady, so there’s less risk of damaging body cells or tissues. You don’t have to keep puncturing the skin or have your blood in contact with a machine, so there’s less chance of infection, blood clots, or needing anti-clotting drugs. You also only need one operation, which lowers the risk of microorganisms entering the body.

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