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Aloiza [94]
3 years ago
11

Which substance in the body is protected by circulatory and respiratory systems

Health
2 answers:
inna [77]3 years ago
4 0

Answer: Oxygen!

Explanation: It is the answer

expeople1 [14]3 years ago
4 0
The answer is oxygen
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B decreasing the likely hood of getting sick

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