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mr_godi [17]
3 years ago
7

Why is having several air sacs and advange for a bird

Biology
2 answers:
lyudmila [28]3 years ago
8 0

Answer:

Explanation:

Air sacs do not take part in the oxygen exchange, but do greatly enhance its efficiency and allow for the high metabolic rates found in birds. This system also keeps the volume of air in the lung nearly constant.

maksim [4K]3 years ago
4 0

Answer:

Air sacs do not take part in the actual oxygen exchange, but do greatly enhance its efficiency and allow for the high metabolic rates found in birds. This system also keeps the volume of air in the lung nearly constant.

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. See also pulmonary alveolus.

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