A typical pair of human lungs contain about 300 million alveoli, producing 70m of surface area.
In an average human lung, there are 480 million alveoli.
In an average human lung, there are 480 million alveoli.
Reescribe esta oración de una manera más simple: A typical pair of human lungs contain about 300 million alveoli, producing 70m of surface area. Producción: