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

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College Zoology

Which of the following statements regarding the adult mammalian heart is correct?
  1. When the right atrium contracts, it forces blood into the left atrium.
  2. Blood in the right chambers of the heart cannot enter the left chambers without passing through the lungs.
  3. Blood is pumped from the heart via the atria.
  4. Blood arrives at the heart via the ventricles.
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