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5 votes
Where does gas exchange occur?

left ventricle

left atrium

trachea

lungs

2 Answers

2 votes
I think the answer is the lungs(specifically the alveoli).
User Saber Solooki
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3 votes
pharynx to the trachea. The bronchioles branch into bronchi. Alveolar ducts connect to alveolar sacs. Gas exchange between the lung and blood takes place in the alveolus.
User Ajmicek
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