why do human and birds have four chamber heart
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HEY DEAR...!
Humans and birds have four chambered heart because to not mix pure with the impure blood and also they warm blooded animal.
hope it's help you if u like the answer mark as a brain list..
Humans and birds have four chambered heart because to not mix pure with the impure blood and also they warm blooded animal.
hope it's help you if u like the answer mark as a brain list..
Answered by
2
I think they need more energy.
Anonymous:
wow what a answer XD
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