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Why is it that inhaling nitric oxide reduces blood pressure only in the lung tissue and not elsewhere in the body*? | |
A. | Because other body tissues use a different signaling molecule [Wrong Answer] |
B. | Because nitric oxide cannot cross cell membranes and enter the blood [Wrong Answer] |
C. | Because nitric oxide breaks down quickly and thus cannot travel far [Correct Answer] |
D. | None of the above [Wrong Answer] |