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4 votes
When does the circulatory system work with the respiratory system?

A. During blood cell formation
B. During cellular respiration
C. During intestinal digestion
D. During a viral infection

User Somy A
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2 Answers

3 votes

A. during blood cell formation

User NOhs
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5 votes
The answer would be A. Blood cell formation
User Andrii Kudriavtsev
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