The partial pressure of CO2 is highest in ____ and lowest in ____. a. Venous blood, inspired air b. Venous blood, alveoli c. Arterial blood, expired air d. Arterial blood, venous blood
Partial pressure of carbon dioxide in the aveolar is the lowest, it is 40mmHg (millimetre mecury ) while the partial of carbon dioxide in venous blood is the highest at 45 to 50 mmHg (millimetre mecury)
