NEETBiologyBreathing and Exchange of GasesMCQ+4 / −1
When CO2 concentration in blood increases breathing becomes
- Ashallower and slow
- Bthere is no effect on breathing
- Cslow and deep
- Dfaster and deeper
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Correct answer: D
The breathing becomes faster and deeper in order to oxygenate the blood at a fast rate. Shallow and slow breathing occurs during rest.
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