Question

what is the major role of adrenaline in our body​

Answer 1

Adrenaline is a natural stimulant made in the adrenal gland of the kidney. ... Adrenaline is carried in the bloodstream and affects the autonomous nervous system, which controls functions such as the heart rate, dilation of the pupils, and secretion of sweat and saliva.

Answer 2

Adrenaline is a hormone secreted by the adrenal gland,is often known as the fight or flight hormones because it prepares the body to act,especially when the body encounters stress.It is because of this hormone that the body experiences emotional states such as anger,excitement,fear,etc.The changes brought adrenaline are widerspread,very rapidly,and last for a very short time.

Some of the physiological changes brought by adrenaline are:
*It increases the heartbeat.
*It increases the blood sugar level.
*It results in an overall increase in energy level in the body.