2 years ago

Where does oxygen move from the respiratory system to the circulatory

Biology

1 answer:

Vedmedyk [2.9K]2 years ago

8 0

Answer: Alveoli

Explanation: Alveoli of lungs are surrounded by extensive blood capillaries. The partial pressure of oxygen in the alveoli is higher than the blood entering the pulmonary capillaries, hence oxygen moves into the blood. Carbon dioxide in the lungs simultaneously diffuse out of the blood into the alveolar space.

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