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How do whales and dolphins breathe?

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Whales and dolphins are mammals and must breathe air to survive. Furthermore, unlike humans and other mammals, they are 'voluntary breathers', which means they must physically remember to go to the surface and breathe!

Depending on the species of whale or dolphin, lung capacity differs. But, they all return to the surface of the water, open a blowhole on the top of their heads (a watertight valve) expel air and quickly take in new before going down below the water's surface.

Through their blowhole.
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Is dolphin a whale?

Yes, dolphins are the kind of whales. They are the smallest whale.

How do whales and dolphins breathe underwater?

Both whales and dolphins are mammals, they do not breath underwater. Although, they do have a high lung capacity which allows them to stay under water for a long period of tim

Do whales and dolphins breathe?

yes They are mammals and must come to the suface to breathe. Their nose is one the top of their head. When you see mist come up from one, that means it's breathing!!

Is a dolphin whale?

No, but the orca also known as a killer whale is both a dolphin and a whale.

Are dolphins whales and why?

they belong to the same group (Cetacea) but they are not exactly the same thing. Did you know that Killer Whales (Orcas) are a type of dolphin. A difference is their size.The

How whale and dolphin breathe through lungs in water?

They don't breathe through their lungs IN the water. They can hold their breath for several minutes at least, and when they need to breathe again, they surface and blow out, t

Is a Dolphin a a whale?

Dolphins are marine mammals closely related to whales and porpoises . There are almost forty species of dolphin in 17 genera. They vary in size from 1.2 m (4 ft) and 40 kg (9