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marissa [1.9K]
2 years ago
7

What causes oxygen to diffuse from the lungs into the capillaries?

Biology
1 answer:
malfutka [58]2 years ago
3 0

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.

Explanation:

Hope this helps

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