Partial pressures of gases in the blood.

Question

For example: PO2 and PCO2 in the blood are measured and have some numerical value in mm of Hg. What does this actually mean and what’s the significance?

In: Chemistry

Answer 1

Also, the mm Hg (millimeters of mercury) is just a standardized method of measuring the pressure produced by a gas by the amount of mercury this gas displaces in a column.