Question

Air sacs and pneumatic bones are seen in

Answer 1

Answer:

Explanation:

A bird's pneumatic bones are attached to the air sacs. As you can see from the diagram below, a bird's anterior bones are connected to the anterior air sacs, and the posterior bones to the posterior air sacs. ... If you think about it, a bird is always breathing through its lungs, air sacs, and bones all the time.

Answer 2

Answer:

Birds have remarkably specialized bones that are pneumatic, because they are full of air sacs that provide a continuous flow of breath throughout their bodies. In short, their lungs are essentially hooked up to their bones.

Explanation:

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