The picture represents gas exchange in the alveoli. Observe what is happening at location X.
What will happen with the CO2 next?
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Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli
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Answer:
Im pretty sure its b
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