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.
Tuesday, September 21, 1999
Did you know that...
an adult human has 26 vertebrae? A child has 33 vertebrae. As a child grows, some of the vertebrae at the bottom of the spine will fuse together reducing the number to 26.
For other facts see:
Did You Know - September Archive
