It is called a blow hole.
They breath air through a hole on the top of their head called a blowhole.
the air hole on top of their head
They use a blow hole, located on the top of their head.
hi i am a complete dolphin maniac and expert so the answer to your question would be yes all species of dolphin breathe through a hole on the top of their head.
The dorsal fin, and it's used to stabilize the dolphin while it's swimming.
Dolphins swim to the surface and breathe through a blow-hole located on the top of their head. When a dolphin is sleeping it only sleeps with one side of the brain sleeping, which allows the other half to keep it a float, and to keep the dolphin breathing, also this way a dolphin can protect itself a lot easier, (A lot more alert to predators ie: Sharks).
The hole on top of a needle is called the eye. It is where the thread passes through when sewing.
yes
no
That is their nose, called their blowhole. If you look at a dolphin, they do not have a nose/nostrils. Instead, they breathe on top of their head. That makes it easier for them to breathe, so when the surface the water, they do not have to lift their whole body above the surface, instead only the top of their head.
It is called a volcano, the hole is for the lava to come out.
it's called a crater.