Sympathetic system has adrenergic nerve endings at all sites except?
High-Yield Explanation
Ans. is 'b' i.e., Blood vessels in skeletal muscles(Ref: Principles of medical physiologY p. 241Sympathetic adrenergic fibers are those which secrete endogenous catecholamines (either adrenaline, nor-epinephrine / nor-adrenaline or dopamine)Some sympathetic fibers do not secrete catecholamines but secrete acetylcholine -Sweat glandsBlood vessels in skeletal muscles