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Which Statement Best Describes a Pulmonary Alveolus

Question 139

Multiple Choice

Which statement best describes a pulmonary alveolus?


A) It communicates with the paranasal sinuses.
B) This is where blood picks up oxygen.
C) It is located where the windpipe branches off.
D) This structure causes movement of the diaphragm during respiration.

Correct Answer:

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