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Name of fish which have lungs only?
fish are fish. if they could breathe above water they would be a mammal. no fish have lungs only.
Why whale is call a mammal but not a fish?
A whale is called a mammal but not a fish because they have lungs and viviparous and feed their young ones
Why is a sword fish classifyed as a fish?
A sword fish is a fish due to it having gills, and a bone structure, unlike a shark that has cartilage, or a mammal that has lungs.
Is an eel a fish or a mammal?
They're fish. Eels have gills, whereas reptiles have lungs.
What kind of animals uses lungs and gills to breath?
A lot. Dogs, Cats. Almost all animals have lungs.
Is a platypus a bird or a fish?
The platypus is a mammal. Although it lays eggs in a burrow, and hunts for food in the water, it is a warm-blooded mammal that breathes using lungs, not gills. It also feeds its young on mothers' milk, something which no fish does.
Does a mammal have lungs or gills?
lungs
Are bird lungs more efficient than mammal lungs?
Yes. Bird lungs are more efficient than mammal lungs.
Is a shark a mammal and why?
No a shark is not a mammal. It isn't a mammal because it filters water through it's gill slits then oxygen is filtered from the water. To be a mammal an animal has to directly breath oxygen into the lungs.
Why is a dolphin not a fish why is a sea horse is?
A dolphin is a mammal, it breathes with lungs, it gives live birth and it suckles its offspring. A seahorse is a fish with a horse-looking head.
How is the oxygen taken in by the lungs of mammals different from the oxygen taken in by the gills of a fish?
Mammal take in oxygen in the air while fish take in oxygen in the water.
Do echidnas have lungs?
Yes. The echidna is a mammal, and all mammal have lungs.
