Did You Know?
Biology is both exciting and unique. Monday through Friday, I'll post an interesting biology fact. From bacteria to mammals, we'll explore the exciting world of biology. If you have a suggestion, send email to Regina. For current facts, please see the Did You Know? page.
Wednesday, September 29, 1999
Did you know that...
during a lifetime, your kidneys clean over 1 million gallons of blood?
For other facts see:
Did You Know - September Archive
