Question

5. Observe the given diagram.
Are air sacs present in it? if so, what is it use?​

Answer 1

Answer:

um...better if you post the diagram means it wil helpful for us to answer mate

Explanation:

Air sacs are found as tiny sacs off the larger breathing tubes (tracheae) of insects, as extensions of the lungs in birds, and as end organs in the lungs of certain other vertebrates. They serve to increase respiratory efficiency by providing a large surface area for gas exchange.

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