NEET · Biology · STD 11 - 19. Chemical coordination and integration
A chemical signal that has both endocrine and neural roles is
- A epinephrine
- B cortisol
- C melatonin
- D calcitonin.
Answer & Solution
Correct Answer
(A) epinephrine
Step-by-step Solution
Detailed explanation
(a) : Hormones epinephrine and norepinephrine are secreted from adrenal medulla. They are emergency hormones released in condition of stress, emergency etc. Epinephrine and norepinephrine are also released by adrenergic nerve fibres of sympathetic nervous system where they act as neurotransmitters.
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