Question

how does dolphin breathe

Answer 1

Here is your answer :
Dolphins are mammals and breathe air into their lungs, just like we do.Dolphins cannot breathe under waterlike fish can as they do not have gills.Dolphins breathe through a nostril, called a blowhole, located right on top of their heads.
Hope it is helpful..

Answer 2

dolphin breathe through their nostril or blowhole which are at the above of the head