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The most efficient vertebrate respiratory system is that of (a) amphibians (b) birds (c) reptiles (d) mammals (e) humans
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The most efficient vertebrate respiratory system is that of (a) amphibians (b) birds (c) reptiles (d) mammals (e) humans.
Which organisms utilize a one-way air flow through their lungs to maximize air flow efficiency and oxygen consumption? A. Fish B. Mammals C. Amphibians D. Birds
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