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glatt · 08-08-2011, 02:45 PM

Why does a shark need nostrils? Mouth, gills? Sure.

Nostrils? Maybe they can smell blood with them?

08-08-2011, 02:45 PM	#10
glatt ™ Join Date: Jul 2003 Location: Arlington, VA Posts: 27,717	Why does a shark need nostrils? Mouth, gills? Sure. Nostrils? Maybe they can smell blood with them?