n the alveoli, the partial pressure of oxygen is __________. lower than the PO2 of systemic venous blood much higher than the PO2 of systemic arterial blood approximately 104 millimeters of mercury equal to the PO2 of systemic venous blood equal to that in the tissues
n the alveoli, the partial pressure of oxygen is __________.
lower than the PO2 of systemic venous blood
much higher than the PO2 of systemic arterial blood
approximately 104 millimeters of mercury
equal to the PO2 of systemic venous blood
equal to that in the tissues