1.   The kidney is the principal regulator of magnesium balance.

2.   The kidneys are organs of excretion.

3.   Are my kidneys OK?

4.   Because one of the main complications of diabetes is kidney failure, about half the people on the waiting list for new kidneys are diabetic.

5.   A kidney transplant was also ruled out, because no giant-panda kidneys are available.

6.   Death occurs if the kidneys are overwhelmed and shut down.

7.   He said there was no evidence Yeltsin took steroids or that his liver and kidneys were impaired.

8.   His right kidney is way up in a very safe spot, behind the ribs and liver.

9.   His kidneys are the main concern.

10.   In humans, kidneys can be hurt quickly if blood flow is reduced, Ponganis noted.