Dolphins and whales.
Members of the family of animals called "Cetaceans".
The answer is 2 blowholes for whales.
Dolphins (and whales, etc) breath through the blow holes on their head.
Yes all whale have blowholes because they are mammals.
All types of whales have blowholes because they need them to breathe. As we have noses, whales have blowholes. Porpoises and dolphins have blowholes as well.
Some animals that use air tubes, or gills to breathe are mollusks, fishes, crustaceans, insects, and amphibians. Other animals use things like blowholes or breathe.
Usually they have one Baleen whales have two blowholes. Toothed whales have only one.
no
No
1
They have blowholes.
There are currently 88 known species of whales, dolphins, and porpoises that have blowholes, so there are potentially 88 blowholes in the world.