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Type: Multiple-Choice
Category: Zoology
Level: College
Created: 2 weeks ago

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College Zoology

All of the following accurately describe the spiral valve found in amphibian hearts, EXCEPT for what?
  1. It sorts blood into the correct circuit according to oxygen levels.
  2. It extracts oxygen from blood for use by the cardiomyocytes (cells of the heart).
  3. It allows blood flow to the skin during cycles of intermittent breathing.
  4. It diverts blood flow away from the lungs during submergence.
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