Lets review your que: Red blood cells carry de-oxygenated blood (loaded with co2) into the lungs. In the lungs CO2 is displaced with O2, and is removed during exhalation
Answered 7/20/2015
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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