Question

assertion human heart does not allow mixing of oxygen rich blood with carbon dioxide rich blood
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Answer 1

Answer:

There is no mixing of deoxygenated blood and oxygenated blood in the human heart normally because: The human heart has four chambers with two separate chambers for each oxygenated and deoxygenated blood. 2. In order to increase the efficiency of oxygen transport, mixing of blood is prevented by double circulation.

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Answer 2

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This is correct assertion,

The presence of septum in the heart does not allow the 'mixing of oxygen-rich' and 'carbon dioxide-rich bloods'. Explanation: As blood is carried into the heart from different 'parts of the body', this deoxygenated blood is rich in carbon dioxide.

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