Do dolphins have blowholes?

Answer

Dolphins have blowholes and are used for breathing. It is located at the top of the head and are opened and closed by very powerful muscles. These muscles open and close to refill the blowhole in a split second.
Q&A Related to "Do dolphins have blowholes?"
They have blow holes because that is how they breathe (exhale+inhale) and squeak. It is easier with a separate "nose" out of the water so the dolphin doesn't have to lift
http://wiki.answers.com/Q/Why_do_dolphins_have_blo...
They only have one nostril, located on the top of their head. This is called a
http://www.chacha.com/question/why-do-dolphins-hav...
http://www.hpu.edu/index.cfm?contentID=9… Blowhole: The blowhole is equivalent to the human nose; this is how the dolphins breathe. First they expel the old air, or “
http://answers.yahoo.com/question/index?qid=200809...
All dolphins have blowholes, that is how they breathe. The largest dolphin is the killer whale!
http://www.kgbanswers.com/which-dolphins-have-blow...
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