1.   I told him I was on dialysis and needed a kidney.

2.   If their children develop diabetes and someday need new kidneys, Burchell and Richard will be unable to help them.

3.   Those who need kidneys may remain on dialysis, but those needing a heart or liver stand a good chance of dying.

4.   What if Grandpa Sise and Uncle Dan both needed a kidney?

5.   Only one kidney is needed for normal function, and the two pieces of a divided liver can each regenerate to become full livers.