Q

The pH level of the human body is:

RRB ALP & Technician 20/08/2018 (Shift-I) 2018
✓ Answer: A 7.0 to 7.8
The source key selects 7.0–7.8. This is imprecise: different body fluids have different pH values, and normal blood pH is tightly regulated around 7.35–7.45.
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