Answer :
when adrenaline hormone is secreted into the blood our body prepares ourself to work at maximum efficiency during the time of extreme situation.
♤ Adrenal glands secrete hormone adrenaline which is called emergency hormone.
♤ This hormone can rapidly secreted to response to stress or during emergency situations.
♤ This hormone speeds up heart beat,rate of respiration and raises glucose level in the blood , so that we get a lot energy quickly to face the situation.