Body O2 stores (in mL) during room air and 100% O2 breathing
Body O2 stores (in mL) during room air and 100% O2 breathing
Storage site
Room air
100% O2
In the lungs (FRC)
450
3000
In the blood
850
950
Dissolved in tissue fluids
50
100
In combination with myoglobin
200?
200
Total
1550
4250
Body oxygen stores in a healthy patient breathing room air versus 100 percent oxygen
O2: oxygen; FRC: functional residual capacity.
Reproduced from: Nunn JF. Nunn's Applied Respiratory Physiology, 4th ed, Butterworth-Heinemann, Oxford 1993. Table used with the permission of Elsevier Inc. All rights reserved.