Question

total area covered through _____ millions alveoli is about _____ m2 in each lungs​

Answer 1

Answer:

They provide total surface area of about 100 m2. A typical pair of human lungs contain about 700 million alveoli, producing 70m2 of surface area. Each alveolus is wrapped in a fine mesh of capillaries covering about 70% of its area.

Explanation:

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Answer 2

100

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