A) About 3% of \[{{O}_{2}}\] is carried in a dissolved state through plasma
B) Every 100ml of deoxygenated blood delivers about 4ml of \[C{{O}_{2}}\] to the alveoli
C) In emphysema alveolar walls are damaged
D) In tissues, low\[P{{O}_{2}}\], high p\[C{{O}_{2}}\], low H+ ions and High temperature exist. So\[H{{b}_{4}}{{O}_{8}}\] dissociates to release \[{{O}_{2}}\]
Correct Answer: D
Solution :
[d] In tissues, low\[p{{O}_{2}}\], high\[pC{{O}_{2}}\], low \[{{H}^{+}}\]ions and High temperature exist. So \[H{{b}_{4}}{{O}_{8}}\] dissociates to release \[{{O}_{2}}\] In the alveoli, high\[p{{O}_{2}}\], low\[pC{{O}_{2}}\], lesser \[{{H}^{+}}\] ions concentration and lower temperature exists. These factors are favorable for the formation of oxyhaemoglobin. In tissues, low\[p{{O}_{2}}\], high\[pC{{O}_{2}}\].high\[{{H}^{+}}\] ions and high temperature exist. So \[H{{b}_{4}}{{O}_{8}}\]dissociates to release \[{{O}_{2}}\]
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