Environmental Sciences, asked by aliealisbomzan, 7 months ago

What is the adaptive significance of air sacs in pigeon

Answers

Answered by pk8094461667

3

Answer:

Birds' lungs obtain fresh air during both exhalation and inhalation, because the air sacs do all the "pumping" and the lungs simply absorb oxygen.

Answered by Anonymous

2

Answer:

Birds' lungs obtain fresh air during both exhalation and inhalation, because the air sacs do all the "pumping" and the lungs simply absorb oxygen.

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