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Respiration in Plants

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Question

Fill in the blanks with approriate words.
In lungs, oxygen diffuses from air to venous blood because the partial pressure of oxygen in the lung air is .......... than the partial pressure of oxygen in the venous blood.

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Solution

Diffusion takes place by the principle of the partial pressure of gases. In the lungs, oxygen diffuses from air to venous blood because the partial pressure of oxygen in the lung air is greater than the partial pressure of oxygen in the venous blood.

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