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Which are the 4 sub-components of the Cardio-respiratory system? A. Heart, spleen, lungs and liver B. Heart, blood, spine and liver C. Heart, blood, blood vessels, and lungs D. Heart, stomach, lungs and
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Which are the 4 sub-components of the Cardio-respiratory system?

A. Heart, spleen, lungs and liver
B. Heart, blood, spine and liver
C. Heart, blood, blood vessels, and lungs
D. Heart, stomach, lungs and liver

User Kunjee
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1 Answer

2 votes
C. Heart, blood, blood vessels, and lungs
User Dycey
by
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