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Author Topic: Why doesn't the human navel close up?  (Read 1154 times)

Layne Larson

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Why doesn't the human navel close up?
« 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?
« Last Edit: 21/05/2010 10:30:02 by _system »


 

The Naked Scientists Forum

Why doesn't the human navel close up?
« on: 21/05/2010 10:30:02 »

 

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