What Is The Difference Between Oxygenated And De-oxygenated Blood?

As the two terms suggest, the oxygenated blood is the one carrying
oxygen while the deoxygenated one does not contain oxygen. When the heart pumps
blood, it goes to the lungs and gets oxygenated as oxygen become a part of the
blood. From there the blood returns to the heart and is pumped to all parts of the
body where on earth the oxygen is taken from the blood to be used up. When the oxygen is
taken from the blood it becomes deoxygenated and is sent back to the heart
which again sends it to the lungs and the cycle continues.

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