White-holes are a theoretical hypothesis that they are the opposite of a black-hole, in which case they would push matter out into space yes.
To breathe.
To breathe
they have gills
Impossible to answer
Yes.
They sure do.
coronal holes
Yes, they 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.