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3241004551 [841]
3 years ago
11

The system brings molecules to the cells. It includes blood vessels and the heart.

Chemistry
1 answer:
makkiz [27]3 years ago
3 0
I think it’s the circulatory system. it delivers oxygen and nutrients to the cells and pumps blood to the heart. hope this helps:)
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0

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  Day 0           Day 8.08         Day 16.16

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