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kherson [118]
3 years ago
8

What are tiny air sacs through which oxygen and carbon dioxide pass in and out of the bloodstream. alveoli bronchi pharynx laryn

x

Health
2 answers:
zzz [600]3 years ago
8 0

Answer:

Alveoli

Explanation:

Alveoli are the smallest passageway in the respiratory system, <em>they have the shape of tiny balloons or air sacs,</em> and are only one cell thick to allow<em> its main function to happen, an easy passage of oxygen and carbon dioxide between alveoli and blood vessels (capillaries).</em>

I annexed an image of alveoli sos you can see how they are shaped and how they work.

I hope you find this information useful and interesting! Good luck!      

Alecsey [184]3 years ago
3 0
The alveoli are the tiny sacs through which oxygen and carbon dioxide pass in and out of the bloodstream.
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