A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control system?
Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal medulla.
Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse.
Hypothalamus activates the parasympathetic division of brain.
Sympathetic nervous system is activated releasing epinephrine and nore pinephrine from adrenal cortex.