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Rus_ich [418]
3 years ago
14

Once blood delivers oxygen, what does it pick up from cells on its way back to the heart?

Biology
2 answers:
Anarel [89]3 years ago
5 0

Answer:

Your answer is C) Carbon Dioxide.

gayaneshka [121]3 years ago
4 0

Answer:

I'm fairly sure its carbon dioxide .

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