Why do snakes have nostrils?

Subject: Why do snakes have nostrils?

Date: Fri Aug 29 02:36:45 1997
Posted by Evan M.
Grade level: undergrad
School: No school entered.
City: No city entered. State/Province: No state entered.
Country: Canada
Area of science: Zoology
ID: 872840205.Zo

Message:

I recently made a connection... snakes have nostrils, yet they "smell" 
with their tongues.  What purpose do the nostrils serve?  Thanks for 
your time. :)

Re: Why do snakes have nostrils?

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