Breathing and Exchange of GasesHard
Question
When CO2 concentration in blood increses, breathing becomes
Options
A.shallower and slow
B.there is no effect on breathing
C.slow and deep
D.faster and deeper
Solution
When CO2 concentration in blood increses, breathing becomes faster and deeper. The effect of incresed CO2 is to decrease the affinity of haemoglobin for O2. Thus due to Bohr′s effect the CO2 released in respiring tissue accelerates the delivery of oxygen by faster and deeper dreathing.
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