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3 votes
in which body system are red blood cells manufactured a.circulatory b.endocrine c.reproductive d.skeletal

User Michy
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2 Answers

3 votes
The skeletal system bc it's forming in the red bone narrow of the bones.
User Savanna
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7.6k points
5 votes
Im pretty sure it's skeletal.
User Touffy
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7.9k points
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