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What in the lungs allows gaseous exchange?

Answer:
In the lungs, cells called alveoli form a thin membrane between the lungs and the capillaries. The alveoli extract oxygen from the air inhaled by the diaphragm, and transfers the oxygen to hemoglobin in red blood cells, which transport the oxygen to other parts of the body.
First answer by Fond42518. Last edit by Fond42518. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 1 [recommend question].

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