The human body maintains a slightly alkaline pH of between 7.35 and 7.45, which keeps the body functioning optimally. Some body systems have a different pH, including the stomach acids, vaginal flora, ...

The pH scale is used to measure the acidity of a fluid. The pH scale ranges from 0 to 14. A pH of 7 is neutral, whereas a pH result below 7 is acidic and above 7 is alkaline. Urine has the widest ...