Comparison of the oxyhemoglobin and 'CO2 equilibrium curves. The carrying capacity for CO2 is much greater than for O2. The increased steepness and linearity of the CO2 equilibrium curve allow the lungs to remove large quantities of CO2 from the blood with a small change in CO2 tension. a = gas content in arterial blood; v = gas content in mixed venous blood.
loaded from the blood with a small change in Pco2. This is important not only in gas exchange and transport but also in the regulation of acid-base balance.
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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.