Author Question: Within the lungs of humans, gas exchange occurs across (Read 56 times)

ahriuashd

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Within the lungs of humans, gas exchange occurs across
◦ bronchioles.
◦ tracheae.
◦ bronchi.
◦ alveoli.


Anonymous

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alveoli.



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ahriuashd

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Thank you!



Anonymous

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Always glad to help...



 

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