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Fish hearts have two chambers, one atrium and one ventricle. They draw in deoxygenated blood in a single atrium, and pump it out through a ventricle.

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Do all animals with two chambered hearts live in the water?

No, not all animals with two-chambered hearts live in the water. For example, some amphibians, like frogs, have two-chambered hearts and live both on land and in water.


To what animal group does an animal with a two-chambered heart belong to?

Fish are the animal group that have two-chambered hearts. Reptiles and amphibians have three-chambered hearts and mammals have four-chambered hearts.


Do all animals with two chambered hearts live in the stuff that ducks float around in?

No


To what animal group does an animal with two chambered heart belong to?

Fish are the animal group that have two-chambered hearts. Reptiles and amphibians have three-chambered hearts and mammals have four-chambered hearts.


To what animal group does a animal with two chambered heart belong?

Fish are the animal group that have two-chambered hearts. Reptiles and amphibians have three-chambered hearts and mammals have four-chambered hearts.


To what animal group does a animal with two chambered heart belong to?

Fish are the animal group that have two-chambered hearts. Reptiles and amphibians have three-chambered hearts and mammals have four-chambered hearts.


Which reptiles have four chambered heart?

Crocodiles, alligators, caimans and gharials all have four-chambered hearts.


Did a t rex have a 3 or 4 chambered heart?

T-REX'S HAVE NO HEARTS!!!!!! they are very heartless animals rawr. o-<--<l8 skateboarder.


Do birds have chambered hearts?

Yes. Birds have four-chambered hearts.


Do amphibians have four chambered hearts?

no. amphibians have three chambered heart i.e., 1-A 2-V


Why do crocs have 3 chambered hearts?

Because their ancestors had 3-chambered hearts.


How many chambered hearts does a zebra have?

All mammals have 4 chambered hearts.