sympathetic division
...sympathetic nervous system. When faced with a threat, this system triggers a series of physiological changes to prepare the body to either confront the danger or flee from it. Key components of the fight or flight response include increased heart rate, heightened senses, and the release of stress hormones like adrenaline.
the thyroid gland
I don't think there is because fight or flight is response action the body makes when in a dangerous situation. Stand and fight or flight RUN.
The ALARM response
The adrenal medulla is responsible for the fight-or-flight response. It releases a hormonal cascade that results in the secretion of epinephrine and nonrepinephrine.
Walter Cannon, a harvard physiologist, first investigated the fight or flight response in 1927.
The sympathetic nervous system is responsible for the fight of flight response. The the adrenal glands release epinephrine in the fight or flight response, and norepinephrine after the threat ceases.
The fight or flight response is not only experienced by humans. Animals also experience this when danger is near. They either run away, or stand and fight.
yes
Epinephrine
yes
It is the old fight or flight response.