Question

What is the Importance of pneumatic bones and air sacs in avis

Answer 1

hello friend here's your answer

pneumatic bones or hollow bones help in making the body of the birds light to assist in flying
similarly air sacs also assist in making the body light to assist flying

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Answer 2

Answer:

Pneumatic bones i.e. they are hollow from inside that helps birds(aves) to reduce their weight and helps in flying.

Air sacs acts as an reservoir of air. It also aids as a cooling device and regulate their body temperature.

Hope this will help you:)