The partial pressure gradient for oxygen (in the body) is much steeper than that for carbon dioxide. Explain how equal amounts of these two gases can be exchanged (in a given time interval) in the lungs and at the tissues.
What will be an ideal response?
Equal amounts of O2 and CO2 can be exchanged in the lungs and at the tissues because CO2 solubility in plasma and alveolar fluid is 20 times greater than that of O2.
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