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NISA [10]
3 years ago
13

How are the circulatory system and the respiratory system related in humans?

Biology
1 answer:
Karo-lina-s [1.5K]3 years ago
5 0
I'd say the answer is C but I'm not 100% sure. If not C then maybe B
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Mrac [35]

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Due to presence at early days of the planet.

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3 years ago
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4 0
2 years ago
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