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Daniel [21]
3 years ago
14

Deer are mammals, and therefore have systems that are basically the same as other mammals.

Biology
2 answers:
Eva8 [605]3 years ago
6 0
C air passes in and out of lungs
MissTica3 years ago
4 0
Hello there.

<span>Deer are mammals, and therefore have systems that are basically the same as other mammals. 

</span><span>Air passes in and out of the lungs.
</span>
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