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Blood Vessels

Body tissues ...

Question

Body tissues obtain $O_{2}$ from haemoglobin because of its dissociation in tissues caused by

Low oxygen concentration and high

C O_{2}

concentration

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High

O_{2}

concentration

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Low

C O_{2}

concentration

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High

C O_{2}

concentration

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Solution

The correct option is C Low oxygen concentration and high $C O_{2}$ concentration
When oxygenated blood reaches the different tissues, the partial pressure of oxygen is higher (95 mm of Hg) than that of the body cells (40 mm of Hg) and the partial pressure of carbon dioxide is lesser in the blood (40 mm of Hg) than that of body cells (45 mm of Hg). The, oxygen diffuses from the capillary blood to the body cells through tissue fluid and carbon dioxide diffuses from the body cells to the capillary blood via tissue fluid. This makes the blood deoxygenated, which is carried to the heart and then to the lungs.
Thus the correct answer is option A.

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Similar questions

O_{2}

Respiration in insects is called direct because

(a) the cells exchange $O_{2} / C O_{2}$ directly with the air in the tubes

(b) the tissues exchange $O_{2} / C O_{2}$ directly with the air in the tubes

(d) tracheal tubes exchange $O_{2} / C O_{2}$ directly with the haemocoel which then exchange with tissues

C O_{2}

O_{2}

C O_{2}

O_{2}

C O_{2}

100 m L

0.02 g

O_{2}

0.08 g C O_{2}

O_{2}

C O_{2}

1 a t m

37^{\circ} C

10 L

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