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If you hold your breath for 30 seconds, ...

If you hold your breath for 30 seconds, what is likely to happen to your blood pH?

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**Step-by-Step Solution:** 1. **Understanding Breath Holding**: When you hold your breath, you stop the exchange of gases (oxygen and carbon dioxide) with the environment. This means that oxygen levels in the blood will decrease while carbon dioxide levels will increase. 2. **Carbon Dioxide Accumulation**: As you hold your breath, carbon dioxide (CO2) produced by cellular metabolism accumulates in the blood. The body continuously produces CO2 as a byproduct of cellular respiration. 3. **Formation of Carbonic Acid**: The increase in CO2 levels leads to a reaction with water in the blood, forming carbonic acid (H2CO3). The chemical reaction can be summarized as: \[ ...
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