Question

Where does oxygen mixes with blood?​

Answer 1

Answer:

Here is ur answer mate

Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood.

Hope this helps u

Thanks for ur time

Answer 2

Answer:

Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body