concentration in blood increases, breathing becomes
A) shallower and slow
B) there is no effect on breathing
C) slow and deep
D) faster and deeper
Correct Answer: D
Solution :
When concentration in blood increases, breathing becomes faster and deeper. As only 7% of 
is dissolved in plasma. Most of the carbon dioxide that is dissolved in blood plasma reacts with water to form carbonic acid. This reaction occurs very rapidly inside RBCs because of the presence of the enzyme carbonic anhydrase (fastest enzyme).
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