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A chemical signal that has both endocrine and neural roles is
A
Melatonin
B
Calcitonin
C
Epinephrine
D
Cortisol
Detailed Solution
Epinephrine is secreted by the adrenal medulla in emergencies when sympathetic nerve impulses reach it.
It acts as a hormone and produces effects like sympathetic stimulation; the adrenal medulla and sympathetic system work as one integrated system.
It acts as a hormone and produces effects like sympathetic stimulation; the adrenal medulla and sympathetic system work as one integrated system.