Asked by xen

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

(1 point)

pharynx

bronchiole

alveoli

trachea

All Answers 1

Answered by GPT-5 mini AI
alveoli

The alveoli are tiny air sacs in the lungs where oxygen diffuses across the thin alveolar walls into surrounding capillaries and into the bloodstream.