Did you mean: Do Whales Breathe Using Gills or Lungs?
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Aquatic respiration

en.wikipedia.org/wiki/Aquatic_respiration

Aquatic respiration is the process whereby an aquatic animal obtains oxygen from water. ... Fish use the process known as countercurrent flow, in which water and blood ... The respiratory system of ...

How Do Whales Breathe? | National Marine Life Center

nmlc.org/2009/04/how-do-whales-breathe/

Apr 19, 2009 ... Fish use their gills to take oxygen from the water that they live in. But people get the oxygen we need by breathing air, using our lungs. Whales ...

Can Whales Breathe Underwater? - Whale Facts

www.whalefacts.org/can-whales-breathe-underwater/

In order to inhale and exhale air whales breathe through their blowhole(s) which are ... Although cetaceans do not have gills or lungs capable of breathing under ...

Short Sharp Science: Why whales don't have gills - New Scientist

www.newscientist.com/blogs/shortsharpscience/2009/08/why-whales-dont-have-gills.html

Aug 5, 2009 ... (By the way, this is why we couldn't breathe liquid unaided, as in the film The ... Well, their gills are much more efficient at extracting oxygen than our lungs. ... With an unlimited, easy supply of oxygen, whales and dolphins can ...

How come whales can hold their breath longer than most mammals?

scienceline.ucsb.edu/getkey.php?key=1009

So they evolved in a way that let them live in the ocean, with wide tail flukes, ... A whale's lungs work like ours do, but they make the most of each breath. In one ...

How do crabs breathe? | Reference.com

www.reference.com/pets-animals/crabs-breathe-6dfc3a1e29140888

Even when they are on land, the gills can still absorb oxygen as long as they are ... For the crabs that do not have lungs, if the gills are kept moist, they can breathe just as ... Betta fish can breathe oxygen both from the water through their gills and ... Other sea animals, such as whales, breathe oxygen from the air because .....

Why didn't mammals evolve with lungs and gills? | Reference.com

www.reference.com/pets-animals/didn-t-mammals-evolve-lungs-gills-6b11d3401401168d

Gills can only introduce a small amount of oxygen per liter of water, while lungs can ... so organisms with lungs only need to process about 4 grams of air per breath. ... Whales and dolphins are mammals that live in water, and they have lungs ...

How Do Fish Breathe Underwater? | Wonderopolis

wonderopolis.org/wonder/how-do-fish-breathe-underwater/

Why do dolphins and whales swim to the surface of the ocean? ... The air- breathing lungs of mammals, including humans, must be dry and empty of ... As water passes over the thin walls of the gills, dissolved oxygen moves into the ... With more than 25,000 species of fish in the sea to inspire your design, anything goes.

evolution - Why have whales and dolphins not evolved to have gills ...

biology.stackexchange.com/questions/29846/why-have-whales-and-dolphins-not-evolved-to-have-gills

Feb 23, 2015 ... ... to do so? If there is some advantage to breathing from the air instead of using gills, why haven't animals such as sharks (or indeed fish in general) evolved to do this instead? ... There are advantages to lungs in whales.

How Often Do Dolphins Come Up to Breathe? | Animals - mom.me

animals.mom.me/dolphins-come-up-breathe-11386.html

Dolphins are cetaceans, members of the same family as whales. ... Instead, dolphins breathe through nostrils located on top of their heads, called blowholes. When the dolphin surfaces, he can blow the old air out of his lungs, creating a plume of spray and suck in fresh air. ... Does a Crocodile Have Gills or Lungs?

More Info

How Do Whales Breathe? - Whale Facts

www.whalefacts.org

Unlike fish these marine mammals are not equipped with gills, which fish ... To assist with long dives whales have developed special lungs that help them inhale  ...

How do whales breathe? - Quora

www.quora.com

Fish use their gills to take oxygen from the water that they live in. But people get the oxygen we need by breathing air, using our lungs. Whales and dolphins use  ...

Suzy's World: Whales

www.suzy.co.nz

A whale can hold it's breath for up to half an hour under water and that's because its ... to ours, but when it breathes in fresh air most of its lungs are filled with air.