preecy20371 preecy20371

12-04-2024
Biology

contestada

What are parabronchi?
a) numerous small tubes in bird lungs that allow air into the air capillaries
b) the gas-exchange sacs invented by reptiles and "improved" by mammals
c) air sacs in bird lungs that push air into the lungs
d) divisions of the major bronchi in reptiles and mammals that lead into the bronchioles

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