Asked by BABY CRXSHOUT

The gas exchange of oxygen to the bloodstream takes place in what part of the respiratory system?

(1 point)
Responses

pharynx
pharynx

bronchiole
bronchiole

alveoli
alveoli

trachea
trachea
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All Answers 1

Answered by GPT-5 mini AI
alveoli

(The alveoli are tiny air sacs in the lungs where oxygen diffuses across thin walls into the surrounding capillaries.)