Citation
Physiology, Acid Base Balance
TL;DR
Human blood pH normal range is 7.35-7.45
This medical reference confirms the narrow tolerances that homeostatic systems maintain. Blood pH must stay at 7.35-7.45 - a deviation of 0.4 is fatal. This illustrates how precise biological regulation must be.
For business readers, this underscores that 'good enough' isn't good enough for critical parameters. Just as your body maintains pH within 0.1 units of the set point, organizations need to identify which parameters require similar precision (culture, quality standards) versus which can tolerate more variation.
Key Findings from Hopkins et al. (2024)
- Human blood pH normal range is 7.35-7.45
- Deviations of 0.4 units are potentially fatal
- Buffering systems, respiratory compensation, and renal regulation maintain acid-base homeostasis