Breathing and Exchange of GasesMedium

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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