What changes in the composition of the blood occur in the capillaries of the pulmonary circulation in humans.

What changes in the composition of the blood occur in the capillaries of the pulmonary circulation in humans. What kind of blood is formed in this case?

1) occurs in gas exchange, as a result of which the concentration of carbon dioxide in the blood decreases and the concentration of oxygen increases
2) arterial blood is formed from venous blood

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