The concentration of oxygen and carbon dioxide in deoxygenated blood is-
A
Oxygen - 21% and Carbon dioxide - 0.04%
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B
Oxygen - 80% and Carbon dioxide - 20%
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C
Oxygen - 16% and Carbon dioxide - 4%
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D
Oxygen - 29% and Carbon dioxide - 71%
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Solution
The correct option is COxygen - 16% and Carbon dioxide - 4% Deoxygenated blood is the blood that exchanges oxygen for carbon dioxide from the cells. The concentrations of oxygen is 16% and that of carbon dioxide is 4% in deoxygenated blood.