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blood that is short of oxygen is often coloured blue on diagrams. Which blood vessels should be coloured blue, those that carry blood to the lungs or those that carry it back to the heart?
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blood that is short of oxygen is often coloured blue on diagrams. Which blood vessels should be coloured blue, those that carry blood to the lungs or those that carry it back to the heart?

User Berend De Boer
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1 Answer

3 votes

Answer:

to the lungs

Step-by-step explanation:

it needs to be reoxygenated so it goes back into the lungs

User Vladosaurus
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