Biology, asked by riuroy1996, 4 months ago

Describe the structure of air sacs in birds with diagram? 6marks

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Answered by deja1

Answer:

Air sacs have very thin walls with few blood vessels. They do not play a direct role in gas exchange. They act as a 'bellows' to ventilate the lungs. Air sacs and axial pneumatization in an extant avian.

Explanation:

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Describe the structure of air sacs in birds with diagram? 6marks​

Answers

Describe the structure of air sacs in birds with diagram? 6marks