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The smooth muscles of the bronchi and bronchioles is innervated by?

A - Motor fibers via the phrenic and intercostal nerves.

B - Adrenergic sympathetic fibers.

C - Cholinergic sympathetic fibers.

D - Cholinergic parasympathetic fibers. ​

1 Answer

2 votes
D - Cholinergic parasympathetic fibers.

User Marco Jakob
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