Question

What is the size of an alveoli?

Answer 1

An adult alveolus has an average diameter of 200 µm.(diameter will increase during inhalation)

●A typical pair of human lungs contain about 470 - 500 million alveoli, producing 80m2 of surface area.

●Each alveolus is wrapped in a fine mesh of capillaries covering about 60% - 80 % of its area

Answer 2

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HERE IS YOUR ANSWER :

A typical pair of human lungs contain about 480 million alveoli, producing 70 m sq of surface area. Each alveolus is wrapped in a fine mesh of capillaries covring about 70% oc its area. An adult avelous has an average diameter of 200 with an increase in diameter durinv inhalation.

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