What is the main function of the alveoli?
A. bring oxygen in and sent carbon dioxide out
B. move air into the esophagus
C. absorb nutrients
D. maintain blood flow throughout the body
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Other quiz: Heart Vocab and Blood Flow Pathway
What is the first chamber of the heart to receive blood?
A. Right Atrium
B. Left Atrium
C. Left Ventricle
D. Right Ventricle