youngandbad
youngandbad youngandbad
  • 23-03-2018
  • Health
contestada

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

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nicholasbrown91
nicholasbrown91 nicholasbrown91
  • 23-03-2018
C. Heart, blood, blood vessels, and lungs
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