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Licemer1 [7]
2 years ago
13

Where is oxygen added to the blood?

Biology
1 answer:
Artist 52 [7]2 years ago
8 0

Answer:

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

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