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Chemical Coordination and Integration
Question
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The hormone responsible for 'Fight and Flight' response is

  • adrenalin

  • thyroxin

  • ADH

  • oxytocin

Answer

A.

adrenalin

Adrenalin is a natural stimulant made in the adrenal gland of the kidney. Its biological name is epinephrine. Adrenalin is carried in the blood stream and affects the autonomous nervous system, which control functions such as, the heart rate, dialation of the pupils and secretion of sweat and saliva. Adrenalin is the body's activator and is released in response to anxiety.

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