A) shallower and slow
B) there is no effect on breathing
C) slow and deep
D) faster and deeper
Correct Answer: D
Solution :
When \[\text{C}{{\text{O}}_{\text{2}}}\] concentration in blood increases breathing becomes faster and deeper. The effect of increased \[\text{C}{{\text{O}}_{\text{2}}}\] is to decrease the affinity of haemoglobin for \[{{O}_{2}}\]. Thus due to Bohr's effect the \[\text{C}{{\text{O}}_{\text{2}}}\] released in respiring tissue accelerates the delivery of oxygen by faster and deeper breathing.
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