_______ branch off the parabronchi of bird lungs and serve as sites of gas exchange.

Question

Quizplus · Accepted Answer

Air capillaries are the structures that branch off the parabronchi of bird lungs and serve as sites of gas exchange. The primary and secondary bronchi are just the initial branching tubes that bring air into the lungs, while the anterior and posterior air sacs are involved in moving air through the lungs but not in gas exchange itself.

_______ Branch Off the Parabronchi of Bird Lungs and Serve