Naked Science Forum

Life Sciences => Physiology & Medicine => Topic started by: Layne Larson on 21/05/2010 10:30:02

Title: Why doesn't the human navel close up?
Post by: Layne Larson on 21/05/2010 10:30:02

Layne Larson asked the Naked Scientists:
   
I know dogs and cats have belly buttons that are difficult to find, but why don't human belly buttons close up the way dogs and cats do?

What do you think?