yes
Through blow-holes on the top of their heads like all members of the whale family.
To breathe.
To breathe
they have gills
Impossible to answer
coronal holes
Yes, they do.
They sure do.
Impossible to answer
Whales have a blow hole so they could breath when they sufarce
Yes, black whales do have blow holes. They keep them closed when they are underwater.
Dolphins have blow holes, not blow horns. The blow hole allows the dolphin to inhale and exhale air. The blow hole is analogous to a nostril in other mammals.