A) shallower and slow
B) there is no net effect on breathing
C) slow and deep
D) faster and deeper
Correct Answer: D
Solution :
When\[C{{O}_{2}}\]concentration is blood increases, breathing becomes faster and deeper. The effect of increased\[C{{O}_{2}}\]is to decrease the affinity of haemoglobin for\[{{O}_{2}}\].
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