NEET Previous Year Question
When you hold your breath, which of the following gas changes in blood would first lead to the urge in breathe?
Topic: NEET PYQ
Answer: B. Full step-by-step solution below.
- AFalling concentration
- BRising concentration
- CFalling concentration
- DRising and falling concentration
Correct answer: B
Solution
(b) When we hold our breath, level increases in blood, which stimulates the respiratory centre and creates the urge to breathe.More Breathing & Exchange of Gases PYQs
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