Zoology: Section-A (Q. No. 151 to 185)
Assertion: 
diffuses only from tissue to alveoli and not in reverse direction.
Reason: 
is 10 times more soluble than 
.
In the light of the above statements, choose the correct answer from the options given below:
is correct but (R) is not correct is not correct but (R) is correct and (R) are correct and (R) is the correct explanation of 
Text Solution
Verified by ExpertsNOT AVAILABLE
Zoology
is carried by haemoglobin as carbaminohaemoglobin. This binding is related to the 
. At tissue site 
is high (due to catabolism) so, 
diffuses into blood & forms 
, & 
. At alveolar site 
is low & thus reaction procecds in opposite direction which leads to formation of 
and 
. Thus, 
trapped as bicarbonate at the tissue level and transported to the alveoli is released out as 
. The solubility of 
in blood is 20-25 times higher than that of 
.
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