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Type: Multiple-Choice
Category: Zoology
Level: College
Author: jmaresh@wcupa.edu
Created: 2 weeks ago

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Zoology Question

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College Zoology

The only vertebrates in which blood flows directly from respiratory organs to body tissues without first returning to the heart are the                   .
  1. mammals
  2. amhpibians
  3. non-avian reptiles
  4. fishes
  5. birds
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