The first step in the process of oxygenation is
a. ventilation c. oxygen transport in the blood
b. alveolar gas exchange d. circulation
A
The first step in the process of oxygenation is ventilation, which is the movement of air into and out of the lungs for the purpose of delivering fresh air into the lung's alveoli. The next step is alveolar gas exchange. Then the oxygen is transported in the blood to the general circulation.
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