After gas exchange in the lungs, oxygen rich blood returns to the:
ALeft auricle tip
BLeft aorta arch
CLeft atrium
DLeft artery
Answer & Solution
Correct answer: C. Left atrium
1. The pulmonary veins carry it back.
2. They empty into an upper chamber.
3. That chamber is the left atrium.
_Source: OpenStax Anatomy and Physiology 2e, Chapter 19, The Cardiovascular System: The Heart._
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