Chemical Coordination and Regulation Question 74
74. A chemical signal that has both endocrine and neural roles is?
[2015 RS]
(a) Calcitonin
(b) Epinephrine
(c) Cortisol
(d) Melatonin
Show Answer
Answer : b
Hints & Solutions
(b) Epinephrine has two role as a hormone and as a neurotransmitter.