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Partial pressure of oxygen is equal in 

Option: 1

Atmospheric air and Alveoli


Option: 2

Alveoli and Oxygenated blood


Option: 3

Alveoli and Deoxygentaed blood


Option: 4

Deoxygenated blood and Tissues


Answers (1)

best_answer

Oxygen does not flow from deoxygenated blood to  tissues because pressure gradient is not formed.

Posted by

Ritika Kankaria

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