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    Biology Today and Tomorrow
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    Exam 21: Circulation and Respiration
  5. Question
    This Animal Has Two Atria and Two Ventricles and Two
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This Animal Has Two Atria and Two Ventricles and Two

Question 139

Question 139

Multiple Choice

This animal has two atria and two ventricles and two vascular circuits.This animal is


A) a Mountain Bluebird.
B) a fire-bellied toad.
C) a trout.
D) a lobster.
E) more than one of these.

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