6. Many people have more than two kidneys. If you’re given a kidney transplant for a poorly-functioning kidney, they leave the old kidney in. That’s because having the extra kidney function at 1 or 2 percent is better than not functioning at all, and because it’s such a big deal to remove the old one.
6. Many people have more than two kidneys. If you’re given a kidney transplant for a poorly-functioning kidney, they leave the old kidney in. That’s because having the extra kidney function at 1 or 2 percent is better than not functioning at all, and because it’s such a big deal to remove the old one.