2
Question
What will happen when a person stop his breathing only for few seconds ?
What will happen when a person stop his breathing only for few seconds ?
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Solution
The correct option is C All are correct
If a person stops breathing, carbon dioxide will continue to accumulate in the blood as it will not be released by exhalation. Rising levels of carbon dioxide signal the body to breathe and ensure our unconscious and autonomous respiration. Involuntary control of breathing is regulated by the respiratory centre of the brain. It is located in the medulla near the rhythm centre. The increase in carbon dioxide causes carbon dioxide to dissolve with water in the blood, forming carbonic acid. This results in an increased H- ion concentration and a reduced pH. This also results in a shift in the oxygen dissociation curve towards the right. So, the correct option is 'All are correct'.
If a person stops breathing, carbon dioxide will continue to accumulate in the blood as it will not be released by exhalation. Rising levels of carbon dioxide signal the body to breathe and ensure our unconscious and autonomous respiration. Involuntary control of breathing is regulated by the respiratory centre of the brain. It is located in the medulla near the rhythm centre. The increase in carbon dioxide causes carbon dioxide to dissolve with water in the blood, forming carbonic acid. This results in an increased H- ion concentration and a reduced pH. This also results in a shift in the oxygen dissociation curve towards the right. So, the correct option is 'All are correct'.
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