Wby do birds have. hollow bones class 9 science

1.	Wby do birds have. hollow bones class 9 science
Answer» $\huge \mathfrak \purple{Hello \: }$ BIRD BONES aren't just hollow — they're pneumatized. That is, they're FULL of spaces for air. (You have some pneumatized bones, too, mostly around your SINUSES).

Answer»

$\huge \mathfrak \purple{Hello \: }$

BIRD BONES aren't just hollow — they're pneumatized. That is, they're FULL of spaces for air. (You have some pneumatized bones, too, mostly around your SINUSES).

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Wby do birds have. hollow bones class 9 science​

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Wby do birds have. hollow bones class 9 science