The most efficient lungs with respect to oxygen uptake are found in this group of vertebrates.
A)amphibians
B)birds
C)fish
D)mammals

Name: The most efficient lungs with respect to oxygen uptake are found in this group of vertebrates. A)amphibians B)birds C)fish D)mammals
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Quizplus · Accepted Answer

Birds have the most efficient respiratory system among vertebrates, with a unique structure that allows for continuous airflow and maximizes oxygen uptake.

The Most Efficient Lungs with Respect to Oxygen Uptake Are