A) adrenalin
B) thyroxin
C) ADH
D) oxytocin
Correct Answer: A
Solution :
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 bodys activator and is released in response to anxiety, exercise or fear. This is the basis of the so called Tight or flight reaction.
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