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1 vote
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
by
8.2k points

1 Answer

2 votes
C. Heart, blood, blood vessels, and lungs
User Dycey
by
7.6k points
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