Identify the correct statement with reference to transport of oxygen.

Easy

A

High temperature in alveoli favours the formation of oxyhaemoglobin.
B

High ${pCO}_{2}$ in alveoli favours the formation of oxyhaemoglobin.
C

Low $H^{+}$ conc. in pulmonary capillaries favours the formation of oxyhaemoglobin.
D

Every 100 ml of oxygenated blood can deliver around 5 ml of $O_{2}$ to the alveoli.

Solution

In the alveoli, where there is high ${pO}_{2}$ , low ${pCO}_{2}$ , lesser $H^{+}$ concentration and lower temperature, the factors are all favourable for the formation of oxyhaemoglobin. Every 100 ml of oxygenated blood can deliver around 5 ml of $O_{2}$ to the ‘tissues’ under normal physiological conditions.

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