ï»¿ Give reasons for the following Oxygen leaves the blood from tissue capillaries, but carbon dioxide enters the blood in tissue capillaries. Â  Â  from Biology Breathing and Exchange of Gases Class 11 Assam Board

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Give reasons for the following
Oxygen leaves the blood from tissue capillaries, but carbon dioxide enters the blood in tissue capillaries.

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Â pO2 is higher in the tissue capillaries than in the blood. Since the gases diffuse fro the region having higher partial pressure to the region having low partial pressure. Thus, oxygen leaves the blood from tissue capillaries, but carbon dioxide enters the blood in tissue tissue capillaries.

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Name the cavity having lungs.

Thoracic cavity.
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Oxygen is carried by haemoglobin as?

Oxyhaemoglobin.
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70% of carbondioxide is transported as ?

Bicarbonate
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What is the partial pressure of oxygen in Â oxygenated blood ?

95 mm Hg
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By what amount the solubility of carbondioxide is more than the solubility of oxygen?

20 - 25 times
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