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aliya0001 [1]
3 years ago
9

Based on the diagram, oxygen flows through the circulatory system in which order?

Biology
2 answers:
RoseWind [281]3 years ago
7 0

Because it is asking about the circulatory system and not the respiratory system, the correct answer is 1,2,4.

I am confirming this answer to be correct! :)

Juli2301 [7.4K]3 years ago
5 0
The Correct Answer is: D. 1,2,4
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T-cells are a type of immune cell system that recognizes pathogens in the body.
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