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Question

What is the importance of pneumatic bones and air sacs in Aves?

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Solution

Birds possess light weight bones that contain internal spaces filled with air. These are called pneumatic bones. They help in, reducing their body weight, thus is an adaptation for flight.

Aerodynamic lungs with specialised air sacs provides an additional feature and gives adaptability to birds to fly (e.g., bald eagle, pigeon).


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