Oxygen in air must diffuse across _______ to enter the blood. a. Pleural sacs b. Alveolar sacs

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Oxygen in air must diffuse across _______ to enter the blood.

a. Pleural sacs

b. Alveolar sacs

c. A moist respiratory surface

d. Both b and c

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Human Biology

ISBN: 9781305264540

11th Edition

Authors: Cecie Starr, Beverly McMillan

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Question Posted: Dec 12, 2023 02:10 AM

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Oxygen in air must diffuse across _______ to enter the blood. a. Pleural sacs b. Alveolar sacs

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Human Biology

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