Suppose we now add 10 mmol of HCl, a strong acid. HCO3- is the major buffer base in the blood plasma (we will neglect the contributions of other buffers). From the reaction H+ + HCO3- ^ H2CO3 ^ H2O + CO2, we predict that the [HCO3-] will fall by 10 mmol, and that 10 mmol of CO2(d) will form. If the system were closed and no CO2 could escape, the new pH would be pH = 6.10 + log
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This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.