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Drupady [299]
2 years ago
13

2. Oxygen is carried in the blood by the:

Biology
1 answer:
kkurt [141]2 years ago
8 0

Answer:haemoglobin

Explanation:

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.

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