In an adult human, what is the approximate number of capillaries to which each alveolus gives rise?

Name: In an adult human, what is the approximate number of capillaries to which each alveolus gives rise?
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Each alveolus, and there are about 250 million to 300 million in an adult, is supplied by a terminal pulmonary arteriole, which has a diameter of about 35 µm and which gives rise to about 1000 capillaries per alveolus.

In an Adult Human, What Is the Approximate Number of Capillaries